Beli Joos Beu 70 bekas (12.444)

Kondisi: bekas, Fungsionalitas: berfungsi sepenuhnya, Tahun pembuatan: 2022, jam operasional: 174 h, kapasitas angkut: 7.000 kg, tinggi angkat: 5.000 mm, pengangkatan bebas: 2.405 mm, jenis bahan bakar: listrik, tipe tiang: dupleks, tinggi konstruksi: 3.500 mm, panjang garpu: 2.400 mm, jenis penggerak: Elektro, Electric 4-wheel forklift Load centre: 600 mm Mast type: Duplex Condition: Ready for use and fully operational Technical condition: very good Front tyres type: Superelastic Front tyres size: 8.25 x 15 Ijdpfx Ajq E A Uzslcstg Rear tyres type: Superelastic Rear tyres size: 8.25 x 15 Battery voltage: 80V Battery capacity: 1120Ah Battery year: 2022 Description: Fork positioner, sideshift, Kalmar comfort cabin with heating and air conditioning, radio, battery 80V / 1120Ah - Nexsys - MAINTENANCE FREE, charger, 2x LED work lights on mast front, 2x LED work lights on roof front, 2x LED work lights on roof rear, front and rear indicators, reversing camera, safety light, rear-view mirror, Sideshift, fork positioner, 3rd valve, 4th valve, air conditioning, scale,

Kondisi: sangat baik (bekas), Tahun pembuatan: 2011, jam operasional: 57.077 h, Fungsionalitas: berfungsi sepenuhnya, nomor mesin/kendaraan: 179742, gaya penjepit: 700 kN, diameter sekrup: 30 mm, volume langkah: 99 cm³, tekanan injeksi: 1.451 batang, berat injeksi: 89 g, Here we offer a well-maintained used injection moulding machine as part of our injection moulding machinery dealership. Of course, we also purchase well-maintained injection moulding machines from model year 2010 onwards. We have been wholesalers of injection moulding machines for over 25 years. Vertical injection moulding machine with rotary table – complete maintenance history (documented annually) Manufacturer: Engel Model: Insert 200H/70 Serial number: 179742 Year of manufacture: 2011 Operating hours: 57,077 h Control system: CC 200 Languages: German, English Fully functional Condition: very well maintained Single previous German owner xxxxx without shown peripheral equipmentxxxxx Extras: - Light curtain - Freely programmable inputs and outputs - 9 freely programmable inputs, programmable per station - 9 freely programmable outputs - Euromap 67 handling interface - Charge amplifier for pressure-dependent post-injection switching, including graphical display pages - 3 potential-free monitoring inputs for monitoring peripheral equipment such as temperature control units - Euromap 63 interface for connection to machine data acquisition systems - Hot runner control/valve gate control - Complete maintenance booklet - Languages: German – English Injection unit: Screw diameter: 30 mm Shot weight: 89 g/PS Injection pressure: 1,451 bar (increased: 2,205) Shot volume: 99 cm³ Clamping unit: Clamping force: 70 t / 700 kN Rotary table diameter: 1,200 mm Opening stroke: 305 mm Ejector stroke/force: 105 mm / 20.1 kN Clamping unit fully electric Itsdpfxey Ir Nye Alcsg Warranty: Warranty up to initial commissioning Loading/Shipping: Free loaded onto buyer's truck or free delivery within Germany against freight charge reimbursement Available from our warehouse in Hannover, Germany

Kondisi: baru, de-to-hu-it-lt-lv-nb-nl-pl Itjdpfx Aoy H N I Dolceg

Kondisi: baru, wellendurchmesser-40-mm-technische-daten Itjdpfx Ajy H N H Tslceg

Kondisi: baru, d2ece4c6 Itjdpfxjy H N H He Alcog

Kondisi: bekas, Gedung komersial – 2035m2 Hall A: 1575m2 Lebar sekitar 22,5 meter Panjang sekitar 70 meter Itedjy Sg Raopfx Alceg Tinggi sekitar 6,50 meter + Hall B: 460m2 Lebar sekitar 20 meter Panjang sekitar 23 meter Tinggi sekitar 6,50 meter • Struktur baja, kolom, balok, tabung tekan • Panel atap baja • Isolasi atap EPS 60mm • Dinding bagian dalam kotak – isolasi Rockwool – lembaran profil • Pintu

Kondisi: baru, daya: 154 kW (209,38 hp), jenis bahan bakar: diesel, tipe perpindahan gigi: otomatis, warna: putih, rem: retarder, jumlah tempat duduk: 33, Tahun pembuatan: 2026, Perlengkapan: ABS, filter jelaga, pemanas parkir, pendingin udara, program stabilitas elektronik (ESP),

Kondisi: bekas, Tahun pembuatan: 2018, Used machine Year of manufacture: 2018 Special feature: Machine for edge heights up to 100 mm! Condition: Factory-inspected by Lange Maschinenbau Equipment and technical specifications: - Machine table with 13 support rollers for improved workpiece guidance - Edge feed, synchronized with conveyor belt feed - Edge thickness adjustable via digital counter - Pneumatic roller separation with knife (for cuttable edges) - Three pressure rollers - Conveyor feed: - 0.25 kW - Approx. 1250 mm long - Approx. 6.0 m/min - 50 mm wide toothed belt with thick, workpiece-friendly rubber coating - Digital counter for height adjustment - Direct glue application to the workpiece: Drip-proof glue pot with bottom glue supply and quick heat-up time after machine standstill - Flush cutting unit: - For workpiece front and rear edges - Automatic sensing on the workpiece - Pneumatic cutting with knife for cuttable edges - Flush trimming unit: - With vertical scanning and horizontal guidance - Reproducible adjustment via digital counters - 2 powerful 0.4 kW high-frequency motors - Infinitely variable speed from 4000 to 18000 rpm - Cutter Ø 70 mm, Z4, radius 2mm/15° - Central extraction port Ø 100 mm - 2 chip extraction covers with hose Ø 60 mm - Automatic height adjustment of the top cutter with conveyor feed - Continuous workpiece support, approx. 1800 mm long - Extension workpiece support rail, approx. 300 mm extendable Ijdpfx Aswka S Ielcetg - Rotatable foil carousel Ø: 800 mm - Workpiece width: min. approx. 80 mm - Workpiece thickness: 10 – 100 mm - Workpiece length: min. approx. 220 mm - Edge thickness: 0.4 – 2.0 mm - Roller separation: max. 1.0 x 55 mm, 2 x 45 mm - Glue pot heating power: 2.7 kW - Heat-up time: approx. 10 minutes - Working height: approx. 880 mm - Power connection: 400V, 50 Hz, 3Ph + N - Total power: 3.8 kW - Pneumatic connection: 6 bar Dimensions (without foil carousel): approx. 1800 x 700 x 1300 mm Weight: approx. 260 kg Availability: Short notice Location: Flörsheim

Kondisi: diremaj di bengkel (bekas), Tahun pembuatan: 2019, Fungsionalitas: berfungsi sepenuhnya, xerox-c70-1980846 Itedpfx Aljy Rvdmeceg

Kondisi: bekas, Tahun pembuatan: 2010, jam operasional: 1.600 h, Perlengkapan: penggerak semua roda,

Kondisi: sangat baik (bekas), Tahun pembuatan: 1990, nomor mesin/kendaraan: 43655, Fungsionalitas: berfungsi sepenuhnya, kecepatan rotasi (maks.): 12.000 rpm, 1 Isdpfx Aoyxgzxelcotg

Kondisi: sangat baik (bekas), Tahun pembuatan: 1989, Fungsionalitas: berfungsi sepenuhnya, 1 Itedpfexz Sknjx Alcjg

Kondisi: bekas, The plant is suitable for the agglomeration of thermoplastic films and fibers. Throughput varies depending on the material and ranges from 500 kg to 1,000 kg/h. The plant consists of: • Feed conveyor • Load-dependent control for the feed conveyor • Metal detector coil • HERBOLD granulator type SMS 45/100-H5-3 • Pneumatic material conveyance to the storage silo • Plastcompactor unit HV-70, consisting of storage silo screw conveyor, plastcompactor, central blower, and cooling circuit • HERBOLD secondary granulator type SML 45/100-S4-2 • Intensive cooling • Conveyor blower SZS II 630/200 • Screening machine • Fines recirculation to the compactor silo • Material conveying system type MFT with Big-Bag station and automatic diverter valve to the on-site silo Isdpfxoy Iczte Alcetg • Automatic exhaust air filter • Electrical control system • Compressor.

Kondisi: bekas, The plant is suitable for the agglomeration of thermoplastic films and fibers. Throughput varies depending on the material and ranges from 500 kg to 1,000 kg/h. The plant consists of: • Feed conveyor • Load-dependent control for the feed conveyor • Metal detector coil Ijdpfx Aey Ia Ttslcotg • HERBOLD granulator type SMS 45/100-H5-3 • Pneumatic material conveyance to the storage silo • Plastcompactor unit HV-70, consisting of storage silo screw conveyor, plastcompactor, central blower, and cooling circuit • HERBOLD secondary granulator type SML 45/100-S4-2 • Intensive cooling • Conveyor blower SZS II 630/200 • Screening machine • Fines recirculation to the compactor silo • Material conveying system type MFT with Big-Bag station and automatic diverter valve to the on-site silo • Automatic exhaust air filter • Electrical control system • Compressor.

Kondisi: baru, Tahun pembuatan: 2025, Fungsionalitas: berfungsi sepenuhnya, masa garansi: 12 bulan, jenis arus masuk: AC (pendingin udara), lebar produk (maks.): 400 mm, tegangan masuk: 400 V, Minipack Tunnel 70 Minipack Tunnel 50 adalah terowongan shrink dua ruang yang terisolasi dengan baik dan tenang untuk produk yang lebih lebar dan lebih tinggi. – Terowongan shrink untuk berbagai kebutuhan pengemasan – Cocok untuk berbagai jenis shrink film – Daya listrik: 400 V, 50/60 Hz, 3-fase – Daya terpasang: hingga 14,5 kW – Maks. dimensi produk: 680 × 390 mm (panjang variabel) – Bukaan masuk terowongan: 690 × 390 mm (LxT) – Dimensi mesin: 2770 × 1160 × 1.640 mm (PxLxT) – Berat mesin (Netto/Bruto): 415 / 483 kg Itodpfsyaqihsx Alcsg

Kondisi: baru, Tahun pembuatan: 2025, Fungsionalitas: berfungsi sepenuhnya, masa garansi: 12 bulan, jenis arus masuk: AC (pendingin udara), lebar produk (maks.): 400 mm, tegangan masuk: 230 V, MINIPACK_Modular_70_de_en Itodpfox Tr Umox Alcsg

Kondisi: bekas, Tahun pembuatan: 2008, jam operasional: 6.631 h, nomor mesin/kendaraan: Z13508740, warna: lain, Perlengkapan: penggerak semua roda, Daya mesin pembakaran dalam: 74 HP (54 kW) GVW: 20.267 kg Tipe mesin: Deutz Diesel Tiang: lengan artikulasi Tinggi kerja: 4.315 cm Tanda CE: ya Mesin Dijual! Jelajahi situs web kami untuk berbagai mesin siap beli. Kami memiliki lebih banyak pilihan daripada yang terlihat secara online, jadi jangan ragu untuk menghubungi kami melalui telepon atau email kapan saja. Semua mesin kami telah dirawat sepenuhnya dan diperiksa keandalannya. Butuh foto? Hubungi kami, dan kami akan segera mengirimkannya. Kami siap membantu Anda dalam bahasa Belanda, Inggris, Prancis, Jerman, Spanyol, dan Rusia. Itsdsy R Uggepfx Alcog Temukan beragam mesin andal kami.

Kondisi: siap digunakan (bekas), Tahun pembuatan: 2009, jarak pergerakan sumbu X: 750 mm, jarak lintasan sumbu Y: 600 mm, jarak gerak sumbu Z: 520 mm, produsen pengendali: SIEMENS, kecepatan spindel (maks.): 24.000 rpm, daya motor spindle: 35.000 W, jumlah sumbu: 5, This 5-axis DMG DECKEL MAHO DMU 70 EVO Linear was manufactured in 2009. It features a working area with an X-axis travel of 750 mm, a Y-axis travel of 600 mm, and a Z-axis travel of 520 mm. The machine is equipped with a high-speed spindle capable of 24,000 rpm and a tool magazine with a capacity of 120 positions. It also includes a DMG PH 150 L8 automation system. If you are looking for high-quality machining capabilities, the DMG DECKEL MAHO DMU 70 EVO Linear we offer for sale is an excellent choice. Please contact us for further details. • Feed rate: linear 20,000 mm/min; rapid traverse 50,000 mm/min • Table: clamping area 700 × 500 mm • Tool magazine: 120 positions Iodoymcvmspfx Alcotg • Through-spindle coolant: high pressure 40 bar • Documentation: operating manuals and CE declaration Additional equipment • Coolant tank with paper filter, 600 l • Probe • Chip conveyor • Electronic handwheel (remote control) • DMG PH 150 L8 pallet changer system, 8 stations (pallets not included) Technical Specification Taper size HSK 63

Kondisi: sangat baik (bekas), CTS Climate Test Chamber C-70/1000-S Device Data Manufacturer: CTS GmbH Model: C-70/1000-S Year of manufacture: 08/2011 Serial number: 113054 Design: Climate test chamber / Environmental simulation chamber Cooling: Water-cooled Description Used CTS climate test chamber for precise temperature and climate testing. Suitable for materials, components, and reliability tests. Intended for use in industry, research, development, and quality assurance. Temperature and Climate Data Temperature range: -70°C to +180°C Temperature change rate: approx. 2.5 K/min heating Temperature change rate: approx. 2.5 K/min cooling Itjdpoy Iam Hjfx Alceg Humidity range: 10% to 98% rH Dew point range I: +7°C to +94°C Dew point range II: -10°C to +7°C Electrical Data 400 V / 3/N / 50 Hz Power: 9.7 kW Current: 17.9 A Protection class: IP 22 Refrigeration System Refrigerant: R404A / R23 Pre-cooling stage: R404A, 2.3 kg Cooling stage: R23, 0.86 kg / 15 bar Operating overpressure PS: 25 bar Test pressure PT: 27.5 bar Features CTS control panel with LCD display Programmable operation Digital target/actual value display Observation window in the door Stainless steel test chamber Specimen protection / temperature limiter Interior lighting Side cable ports Feedthroughs approx. 50 mm and approx. 125 mm RS232 interface (per documentation) Digital outputs for specimen control Mobile design on castors Dimensions Test chamber volume: approx. 1000 liters External (W x D x H): approx. 2245 x 1270 x 1950 mm Installation dimensions (W x D x H): approx. 2350 x 1290 x 2000 mm Weight Test chamber: approx. 1000 kg Recooler: approx. 120 kg Documentation Declaration of conformity Test certificates Operating manual Messages and digital channels Installation plan Quick guide Humidity diagram Scope of Delivery CTS climate test chamber C-70/1000-S Documentation as available Scope of delivery as shown Service before delivery (optional) Function test Refrigerant service Leak test Trial run with protocol Condition Used. Condition as shown in photos. Note Used equipment, sale without warranty. Inspection possible by appointment. Loading and transport can be organized on request. Subject to change and prior sale. If you have any questions, please feel free to contact us.

Kondisi: sangat baik (bekas), RS-Simulators Temperature Shock Chamber ST2K 1000 / 55 The unit was regularly serviced and maintained by the manufacturer until decommissioning. Device Data Manufacturer: RS-Simulators Model: ST2K 1000 / 55 Design: Temperature shock chamber Cooling: water-cooled Description Used temperature shock chamber for standard-compliant thermal shock tests. Suitable for material, component, and reliability testing. Applications in industry, automotive, research, and quality assurance. System Description - 2 separate temperature chambers (hot / cold) - Automatic horizontal specimen basket transfer - Rapid changeover operation for temperature shock tests Temperature Ranges Hot chamber: +40 °C to +180 °C Cold chamber: -70 °C to +100 °C Temporal deviation: ±0.8 K Test Chamber - Volume: approx. 580 liters - Internal dimensions (W x H x D): approx. 1070 x 680 x 800 mm - Max. load: approx. 150 kg Power Supply - 400 V / 3~ / N / PE / 50 Hz - Power: max. 33 kVA - Max. current: 65 A Media Connections - Cooling water: G 1", approx. 3 bar (max. 10 bar) Isdpfxey H Igfs Alcetg - Cooling water requirement: max. 3.2 m³/h - Cooling water return: non-pressurized - Compressed air: NW 7.2, 4–10.5 bar Dimensions - External (W x H x D): approx. 2800 x 2400 x 2200 mm Weight - approx. 2800 kg Features - Horizontal basket movement - C-tracks in test chamber - Large specimen basket (>1000 mm) - Observation window - Internal lighting - SE-604 controller - Program mode and data recording - RS232 interface Refrigeration System - Refrigerants: R449A / R23 - R449A: approx. 8.0 kg - R23: approx. 2.5 kg Operating Data - Operating hours: approx. 4,500 h - Sound level: approx. 67 dB(A) Ambient Conditions - Temperature: +12 °C to +30 °C - Humidity: 25% to 75% rH Scope of Delivery - RS-Simulators temperature shock chamber ST2K 1000 / 55 - As shown Pre-shipment Service (optional) - Function test - Refrigerant service - Leak test - Test run with protocol Condition Used. Condition as shown in images. Notice Used equipment, sold without warranty. Viewing available by appointment. Loading and transportation can be arranged upon request. Subject to prior sale and technical changes. Please feel free to contact us if you have any questions.

Kondisi: sangat baik (bekas), EN Itedpfx Aoy H H Uhjlcog

Kondisi: sangat baik (bekas), Binder MKFT 720 E3.2 Environmental Test Chamber Device Data Manufacturer: Binder Model: MKFT 720 E3.2 Year of manufacture: 2017 Article number: 9020-0288 Design: Environmental test chamber Cooling: Air-cooled Description Used environmental test chamber from Binder. Suitable for temperature, climate, material and aging tests, as well as stress tests. Applications in industry, research, development, and quality assurance. Technical Data Temperature range: -70°C to +180°C Humidity range: 10% to 98% RH Interior volume: approx. 734 liters Max. total load: 160 kg Max. load per shelf: 40 kg Dimensions External (W x H x D): 1615 x 2005 x 1230 mm Internal (W x H x D): 1200 x 1020 x 600 mm Electrical Data 400 V / 3-phase / 50 Hz Power: 13.0 kW Current: 22.5 A Protection class: IP 20 Refrigeration System Refrigerant: R404A / R23 Stage 1: 4.00 kg Stage 2: 0.87 kg Two-stage refrigeration system Max. operating pressure: 29 bar Temperature Performance Data Temporal temperature deviation: 0.1 to 0.5 K Spatial temperature deviation: 0.3 to 2.0 K Heating rate: approx. 4.8 K/min Cooling rate: approx. 4.0 K/min Heat compensation: approx. 5000 W Climate Performance Data Climatic range: +10°C to +95°C Humidity range: 10% to 98% RH Temperature deviation: 0.1 to 1.0 K Heat compensation: approx. 800 W Features Touch control panel Program and constant operation mode Observation window Stainless steel test chamber Interior lighting Cable port Mobile on casters Robust industrial design Weight Approx. 635 kg Scope of Delivery Itodey H H Smepfx Alcjg Binder MKFT 720 E3.2 Environmental Test Chamber Scope of delivery as shown Optional Pre-Delivery Service Functional check Refrigerant service Leak test Test run with protocol Condition Used. Condition as shown in the images. Note Used device, sold without warranty. Inspection possible by appointment. Loading and transport can be arranged upon request. Subject to prior sale and changes. Please contact us if you have any questions.

Kondisi: sangat baik (bekas), CTS Climate Test Chamber C-70/600 Device Data Manufacturer: CTS GmbH Model: C-70/600 Design: Climate test chamber Cooling: Water-cooled Description Used climate test chamber from CTS. Suitable for temperature and climate testing applications. Intended for use in research, development, and quality assurance. Operating Status Display: Manual operation / Stop. Temperature: 16.59 °C (actual) / 5.00 °C (setpoint). Humidity: 39.7% rH. Water supply: 11.0 l. Technical Data Temperature range: -70 °C to +180 °C Humidity range: 10% to 98% rH Dew point range: -10 °C to +94 °C Test chamber volume: 600 litres Electrical Data 400 V / 3/N / 50 Hz Power: 8.7 kW Current: 14.8 A Protection class: IP 22 Refrigeration System Refrigerants: R404A / R23 Cascade refrigeration system Low-temperature operation down to -70 °C PS: 25 bar PT: 27.5 bar Equipment Itjdpfx Alsy H H D Ascog Observation window Stainless steel test chamber Digital actual/setpoint value display Test specimen protection / temperature limiter Water connection (deionized water) Condensate drain Cable ports RS232 interface Digital outputs Dimensions Internal: approx. 850 x 850 x 830 mm External: approx. 1900 x 1115 x 1850 mm Weight Approx. 600 kg Scope of Delivery CTS climate test chamber C-70/600 Documentation (as available) Service prior to delivery (optional) - Functional check - Refrigerant service - Leak test - Test run with protocol Condition Used. Condition as shown in the pictures. Notice Used equipment, sale without warranty. Inspection by appointment possible. Loading and transport can be arranged on request. Subject to prior sale and modifications. If you have any questions, please feel free to contact us.

Kondisi: sangat baik (bekas), CTS Climate Test Chamber CS-70/600-5/S Device Data Manufacturer: CTS GmbH Model: CS-70/600-5/S Design: Climate Test Chamber Cooling: Water-cooled Description Used climate test chamber from CTS. Suitable for temperature, climate, and stress screening tests. Intended for use in industry, research, and quality assurance. Operating Condition Display: Manual operation / Warning (purge water bath). Operating Hours Total: 19,788 h Compressor cooling: 8,699 h Compressor precooling: 11,432 h Circulation pump: 2,905 h Technical Data Temperature range: -70 °C to +180 °C Humidity range: 10 % to 98 % RH Dew point range: -10 °C to +94 °C Test chamber volume: 600 liters Electrical Data 400 V / 3/N / 50 Hz Power: 18.4 kW Current: 30.6 A Protection class: IP 22 Refrigeration System Refrigerants: R404A / R23 Pre-cooling stage: 5.0 kg Cooling stage: 2.1 kg / 14.5 bar CO₂ equivalent: 19.61 t / 30.93 t GWP: 3922 / 14800 Pressure Data PS: 25 bar PT: 27.5 bar Equipment Observation window Stainless steel test chamber CTS touch/LCD control panel Program mode Specimen protection / temperature limiter Water-cooled refrigeration unit Humidity system with water bath Automatic water refilling possible Interfaces (RS232 / Ethernet) Integrated control cabinet Industrial design Feedthroughs 1x NW 50 2x NW 125 Dimensions Interior: approx. 850 x 850 x 830 mm Exterior: approx. 1900 x 1120 x 1875 mm Weight Approx. 750 kg Scope of Delivery CTS Climate Test Chamber CS-70/600-5/S Documentation / test certificates (if available) Service before delivery (optional): Functional inspection Refrigerant service Leak test Test run with protocol Condition Used. For visual condition please see pictures. Note Used device, sold without warranty. Inspection by appointment possible. Ijdpfxey H Hmwo Alcetg Loading and transport can be arranged upon request. Subject to change and prior sale. If you have any questions, please contact us.

Kondisi: sangat baik (bekas), CTS Climate Test Chamber C-70/600 Device Data Manufacturer: CTS GmbH Model: C-70/600 Design: Climate Test Chamber Cooling: Water-cooled Description Used climate test chamber from CTS. Suitable for temperature and climate testing. For use in industry, research, and quality assurance. Technical Data Temperature range: -70 °C to +180 °C Humidity range: 10% to 98% RH Dew point range: -10 °C to +94 °C Test chamber volume: 600 liters Electrical Data 400 V / 3/N / 50 Hz Power: 8.7 kW Current: 14.8 A Protection class: IP 22 Itsdpfjy H Hl Hjx Alcjg Refrigeration System Refrigerants: R404A / R23 Cascade refrigeration unit Low-temperature operation down to -70 °C Operating pressure (PS): 25 bar Test pressure (PT): 27.5 bar Equipment Observation window Stainless steel test chamber Digital setpoint/actual value display Specimen protection / temperature limiter Water connection (deionized water) Condensate drain Cable ports RS232 interface Digital outputs Dimensions Internal: approx. 850 x 850 x 830 mm External: approx. 1900 x 1115 x 1850 mm Weight Approx. 600 kg Scope of Delivery CTS Climate Test Chamber C-70/600 Documentation (if available) Service prior to delivery (optional) - Functional test - Refrigerant service - Leak test - Test run with protocol Condition Used. For optical condition, see pictures. Note Used device, sold without warranty. Viewing by appointment possible. Loading and transport can be arranged on request. Specifications subject to change and prior sale. If you have any questions, please do not hesitate to contact us.