Total 2,000+ frequency check system factories & companies found with 6,000+ products. Source high quality frequency check system from our great selection of reliable frequency check system manufacturing factories.
Shandong Light Fir Machinery Equipment Co., Ltd.
Main Products: | API Pumping Unit Belt Long Stroke Pumping Unit , Blowout Preventer Bop , Power Tongs Manual Tongs Elavator Safety Clamp , Cementing Unit Cementing Truck Workover Rig , Shale Shaker Shale Shaker Screen |
Factory ownership: | Limited Company |
Location: | Dongying, Shandong |
Main Markets: | North America , South America , Eastern Europe , Southeast Asia , Africa , Oceania , Mid East , Eastern Asia , Western Europe |
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Unit Price: US$ 10000 / SetMin. Order: 1 Set
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Unit Price: US$ 10000 / SetMin. Order: 1 Set
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Unit Price: US$ 10000 / SetMin. Order: 1 Set
Weshine Electric Manufacturing Co., Ltd.
Business Type: | Manufacturer/Factory & Trading Company |
Main Products: | Power Transformer Tester , Insulating Oil Tester , Insulation Tester , Cable Tester , Power Quality Tester |
Factory ownership: | Limited Company |
R&D Capacity: | Own Brand, ODM, OEM |
Location: | Baoding, Hebei |
Main Markets: | North America , South America , Europe , Southeast Asia/ Mideast , Domestic |
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Unit Price: US$ 88000-136600 / PieceMin. Order: 1 Piece
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Unit Price: US$ 88000-136600 / PieceMin. Order: 1 Piece
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Unit Price: US$ 1800-1999 / SetMin. Order: 1 Set
HangZhou Ever-Power Transmission Co., Ltd.
Business Type: | Manufacturer/Factory & Trading Company |
Main Products: | Gearbox , Reducer , Sprocket , Gear , Chain |
Factory ownership: | Limited Company |
R&D Capacity: | ODM |
Location: | Hangzhou, Zhejiang |
Production Lines: | 1 |
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Unit Price: US$ 299-699 / PieceMin. Order: 5 Pieces
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Unit Price: US$ 9.99 / PieceMin. Order: 1 Piece
Sunpro Energy Tech Co., Ltd.
Main Products: | Hybrid Solar System , Solar Panel , Lithium Battery , off Grid Solar System , on Grid Solar System |
Location: | Hefei, Anhui |
Main Markets: | North America , South America , Eastern Europe , Southeast Asia , Africa , Oceania , Mid East , Eastern Asia , Western Europe |
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Unit Price: US$ 4980-5120 / PieceMin. Order: 2 Pieces
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Unit Price: US$ 4980-5120 / PieceMin. Order: 2 Pieces
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Unit Price: US$ 4980-5120 / PieceMin. Order: 2 Pieces
Guangzhou Beir Electronic Technology Co., Ltd.
Business Type: | Trading Company |
Main Products: | Beauty Equipment |
Factory ownership: | Limited Company |
R&D Capacity: | ODM, OEM |
Location: | Guangzhou, Guangdong |
Main Markets: | North America , Europe , Southeast Asia/ Mideast , East Asia(Japan/ South Korea) , Australia |
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Unit Price: US$ 2499-3949 / PieceMin. Order: 1 Piece
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Unit Price: US$ 3500-5500 / SetMin. Order: 1 Set
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Unit Price: US$ 2099-3499 / PieceMin. Order: 1 Piece
Shenzhen UPSEN Electronic Co., Ltd.
Main Products: | UPS , Inverter , Battery , Energy Storage , Solar Power |
Factory ownership: | Limited Company |
Location: | Shenzhen, Guangdong |
Main Markets: | North America , South America , Southeast Asia , Africa , Oceania , Mid East , Eastern Asia , Western Europe |
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Unit Price: US$ 1670-22650 / PieceMin. Order: 1 Piece
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Unit Price: US$ 89-640 / PieceMin. Order: 30 Pieces
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Unit Price: US$ 225-235 / PieceMin. Order: 30 Pieces
NANBEI INSTRUMENT LIMITED
Main Products: | Laboratory Instrument , Rotary Evaporator , Glass Reactor , Life Science Instruments , Agricultural Instruments |
Factory ownership: | Limited Company |
Location: | Zhengzhou, Henan |
Main Markets: | North America , South America , Eastern Europe , Southeast Asia , Africa , Oceania , Mid East , Eastern Asia , Western Europe |
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Unit Price: US$ 3294-4940 / PieceMin. Order: 1 Piece
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Unit Price: US$ 5460-6235 / PieceMin. Order: 1 Piece
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Unit Price: US$ 7985-8955 / PieceMin. Order: 1 Piece
Chongqing Vision Star Optical Co., Ltd.
Main Products: | Auto Refractometer , Lensmeter , Slit Lamp , Lens Edger , Ophthalmic |
Factory ownership: | Private Owner |
Location: | Chongqing, Chongqing |
Main Markets: | North America , South America , Eastern Europe , Southeast Asia , Africa , Oceania , Mid East , Eastern Asia , Western Europe |
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Unit Price: US$ 19000-46500 / PieceMin. Order: 1 Piece
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Unit Price: US$ 550-600 / PieceMin. Order: 1 Piece
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Unit Price: US$ 3190-3450 / PieceMin. Order: 1 Piece
Changsha Deligreen Power Co., Ltd.
Business Type: | Trading Company |
Main Products: | Lithium Battery , Battery Charger , Active Battery Equalizer , BMS , Evse Charging Connector |
Factory ownership: | Limited Company |
Location: | Changsha, Hunan |
Main Markets: | North America , Europe , Southeast Asia/ Mideast , East Asia(Japan/ South Korea) , Australia |
Staff: | 12 |
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Unit Price: US$ 91 / PieceMin. Order: 100 Pieces
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Unit Price: US$ 18.2-18.8 / PieceMin. Order: 1 Piece
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Unit Price: US$ 15-18 / PieceMin. Order: 2 Pieces
Shanghai MedEco Industry Co., Ltd.
Main Products: | Operating Lamp , Operating Table , Surgical Stapler , Veterinary Equipment , Dialysis Chair |
Factory ownership: | Limited Company |
Location: | Shanghai, Shanghai |
Main Markets: | North America , Europe , Africa |
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Unit Price: US$ 999-1000 / PieceMin. Order: 1 Piece
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Unit Price: US$ 999-1000 / PieceMin. Order: 1 Piece
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Unit Price: US$ 2000-3000 / PieceMin. Order: 1 Piece
Shenzhen Scimagic Development Technology Co., Limited
Business Type: | Trading Company |
Main Products: | 433.92MHz Remote Control , Garage Door Remote Control , Wireless Remote Control , Remote Transmitter , Ewelink WiFi RF Switch Module |
Factory ownership: | Limited Company |
R&D Capacity: | Own Brand, ODM, OEM |
Location: | Shenzhen, Guangdong |
Main Markets: | North America , South America , Europe , Southeast Asia/ Mideast , Africa , East Asia(Japan/ South Korea) , Australia |
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Unit Price: US$ 3.2-3.6 / PieceMin. Order: 10 Pieces
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Unit Price: US$ 3.4-4.2 / PieceMin. Order: 10 Pieces
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Unit Price: US$ 7.5-9.5 / PieceMin. Order: 10 Pieces
Xi'an Heb Biotechnology Co., Ltd.
Main Products: | Rotary Evaporator , Jacketed Glass Reactor , Chiller , Heating Circulation Bath , Diaphragm Vacuum Pump |
Factory ownership: | Limited Company |
Location: | Xi'an, Shaanxi |
Main Markets: | North America , South America , Eastern Europe , Southeast Asia , Africa , Mid East , Western Europe |
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Unit Price: US$ 25000-35000 / PieceMin. Order: 1 Piece
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Unit Price: US$ 20000-30000 / PieceMin. Order: 1 Piece
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Unit Price: US$ 1500-5000 / SetMin. Order: 1 Set
NANTONG DART-RICH FAN CO.,LTD
Business Type: | Manufacturer/Factory & Trading Company |
Main Products: | Steam Compressor , High Efficient Centrifugal Fan , Centrifugal Blower |
Mgmt. Certification: |
ISO9001:2015, ISO45001:2018, ISO14001
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Factory ownership: | Limited Company |
R&D Capacity: | Own Brand, ODM |
Location: | Nantong, Jiangsu |
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Unit Price: US$ 65000-95000 / PieceMin. Order: 1 Piece
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Unit Price: US$ 65000-95000 / PieceMin. Order: 1 Piece
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Unit Price: US$ 65000-95000 / PieceMin. Order: 1 Piece
Newin (Guangdong) Machinery Co., Ltd.
Business Type: | Manufacturer/Factory |
Main Products: | Closed Type Cooling Tower , Industrial Cooling Tower , Square Cross Flow Cooing Tower , Square Counter Flow Cooling Tower , Cooling Tower PVC Fills |
Factory ownership: | Limited Company |
R&D Capacity: | ODM, OEM |
Location: | Huizhou, Guangdong |
Main Markets: | South America , Southeast Asia/ Mideast , Domestic |
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Unit Price: US$ 25000-90000 / PieceMin. Order: 1 Piece
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Unit Price: US$ 5000-350000 / PieceMin. Order: 1 Piece
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Unit Price: US$ 1000-30000 / PieceMin. Order: 1 Piece
Wuxi Fengwei Machinery Equipment Co., Ltd.
Business Type: | Manufacturer/Factory & Trading Company |
Main Products: | Welding Rotator , End Face Milling Machine and Parts , Welding Positioner , Welding Manipulator |
Mgmt. Certification: |
ISO9001:2015
|
Factory ownership: | Limited Company |
R&D Capacity: | Own Brand, ODM, OEM |
Location: | Wuxi, Jiangsu |
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Unit Price: US$ 1250-2500 / PieceMin. Order: 1 Piece
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Unit Price: US$ 1250-2500 / PieceMin. Order: 1 Piece
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Unit Price: US$ 1000-8000 / SetMin. Order: 1 Set
Senken Group Co., Ltd.
Main Products: | Body Camera , Body Worn Camera , in-Car Police Camera , Lightbar , Police Anti-Riot Suit |
Location: | Wenzhou, Zhejiang |
Main Markets: | North America , South America , Eastern Europe , Southeast Asia , Africa , Oceania , Mid East , Eastern Asia , Western Europe |
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Min. Order: 500 Pieces
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Unit Price: US$ 10-100 / PieceMin. Order: 100 Pieces
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Unit Price: US$ 35-45 / PieceMin. Order: 1 Piece
Shenzhen Kelvin Electronics Co., Ltd.
Business Type: | Manufacturer/Factory & Trading Company |
Main Products: | RF Remote Control , RF Remote Controller , RF Transmitter and Receiver Module , Wireless Paging System , Customized Product |
Factory ownership: | Limited Company |
R&D Capacity: | Own Brand, ODM, OEM |
Location: | Shenzhen, Guangdong |
Production Lines: | 2 |
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Unit Price: US$ 207-250 / PieceMin. Order: 10 Pieces
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Unit Price: US$ 119-129 / PieceMin. Order: 1 Piece
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Unit Price: US$ 1.5-2 / PieceMin. Order: 20 Pieces
Shanghai Longliyuan Electric Power Technology Co., Ltd.
Main Products: | Active Harmonic Filter , Static Var Generator , Svg , Ahf. |
Factory ownership: | Limited Company |
R&D Capacity: | ODM, OEM |
Location: | Shanghai, Shanghai |
Main Markets: | North America , South America , Eastern Europe , Southeast Asia , Africa , Oceania , Mid East , Eastern Asia , Western Europe |
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Unit Price: US$ 1200-2000 / PieceMin. Order: 1 Piece
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Unit Price: US$ 1200-2000 / PieceMin. Order: 1 Piece
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Unit Price: US$ 1200-2000 / PieceMin. Order: 1 Piece
Shenzhen Able Technology Co., Ltd
Business Type: | Manufacturer/Factory & Trading Company |
Main Products: | Energy Saver Card Switch , Touch Wall Switch |
Factory ownership: | Limited Company |
R&D Capacity: | Own Brand, ODM, OEM |
Location: | Shenzhen, Guangdong |
Production Lines: | 4 |
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Unit Price: US$ 6.28-7.88 / PieceMin. Order: 1 Piece
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Unit Price: US$ 5.28-6.88 / PieceMin. Order: 1 Piece
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Unit Price: US$ 5.9-7.9 / PieceMin. Order: 1 Piece
Ningbo Futai Window and Door Automation Technology Co., ...
Business Type: | Manufacturer/Factory & Trading Company |
Main Products: | tubular motor , curtain motor |
Factory ownership: | Limited Company |
R&D Capacity: | ODM, OEM |
Location: | Ningbo, Zhejiang |
Production Lines: | 5 |
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Unit Price: US$ 9.8-16 / PieceMin. Order: 1 Piece
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Unit Price: US$ 9.8-16 / PieceMin. Order: 1 Piece
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Unit Price: US$ 5.2 / PieceMin. Order: 500 Pieces
Luoyang Heli Automation Equipment Co., Ltd.
Main Products: | PLC Control System , Electrical Control System , Anode Furnace , Converter , Bottom-Blown Converter |
Factory ownership: | Limited Company |
R&D Capacity: | ODM, OEM |
Location: | Luoyang, Henan |
Staff: | 9 |
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Unit Price: US$ 10000-30000 / SetMin. Order: 1 Set
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Unit Price: US$ 10000-30000 / SetMin. Order: 1 Set
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Unit Price: US$ 10000-30000 / SetMin. Order: 1 Set
Shanghai Unitychy International Trade Co., Ltd

Main Products: | Gas Cylinder Testing Equipment , Gas Filling System Equipment , Manufacturing Inspection Equipment , Carbon Dioxide Filling Equipment , F200 Filling System Equipment |
Factory ownership: | Limited Company |
Location: | Shanghai, Shanghai |
Main Markets: | North America , South America , Eastern Europe , Southeast Asia , Africa , Oceania , Mid East , Eastern Asia , Western Europe |
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Unit Price: US$ 21800-23000 / PieceMin. Order: 1 Piece
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Unit Price: US$ 4000-8950 / PieceMin. Order: 1 Piece
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Unit Price: US$ 7500-8000 / PieceMin. Order: 1 Piece
Jianyun Zhishui (Qingdao) Industrial Technology Co., ...
Business Type: | Manufacturer/Factory & Trading Company |
Main Products: | Water Purification Equipment , Water Treatment Equipment , RO Water Purifier , Water Purifying Equipment , Water Purification Plant |
Factory ownership: | Limited Company |
R&D Capacity: | ODM |
Location: | Qingdao, Shandong |
Production Lines: | 1 |
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Unit Price: US$ 1305 / PieceMin. Order: 1 Piece
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Unit Price: US$ 487-880 / PieceMin. Order: 1 Piece
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Unit Price: US$ 1305 / PieceMin. Order: 1 Piece
Biobase Meihua Trading Co., Ltd.
Business Type: | Manufacturer/Factory & Trading Company |
Main Products: | Autoclave , Chemistry analyzer , Laminar Flow Cabinet , Lab Incubator , Medical Freezer |
Factory ownership: | Limited Company |
R&D Capacity: | ODM, OEM |
Location: | Jinan, Shandong |
Production Lines: | 8 |
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Unit Price: US$ 9700-10000 / PieceMin. Order: 1 Piece
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Unit Price: US$ 1470 / PieceMin. Order: 1 Piece
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Unit Price: US$ 1000-3100 / unitMin. Order: 1 unit
Guangzhou Med Equipment Limited
Business Type: | Manufacturer/Factory & Trading Company |
Main Products: | X-Ray Machine , Veterinary X-Ray Machine , Portable X-Ray Machine , Digital X-Ray Machine , Flat Panel Detector |
Factory ownership: | Limited Company |
R&D Capacity: | ODM, OEM |
Location: | Guangzhou, Guangdong |
Main Markets: | Domestic |
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Unit Price: US$ 2899-11169 / PieceMin. Order: 1 Piece
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Unit Price: US$ 2899-11169 / PieceMin. Order: 1 Piece
Qingdao Aucma Global Medical Co., Ltd.
Business Type: | Manufacturer/Factory |
Main Products: | Blook Bank Refrigerator , Pharmacy Refrigerator , Combined Refrigerator and Freezer , Ice-lined Refrigerator , Deep Freezer |
Factory ownership: | Limited Company |
R&D Capacity: | Own Brand, ODM, OEM |
Location: | Qingdao, Shandong |
Main Markets: | South America , Africa , South Asia |
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Unit Price: US$ 5000-7200 / PieceMin. Order: 1 Piece
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Unit Price: US$ 12111-15550 / PieceMin. Order: 1 Piece
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Unit Price: US$ 12111-15550 / PieceMin. Order: 1 Piece
Jinan Deming Power Equipment Co., Ltd
Business Type: | Manufacturer/Factory & Trading Company |
Main Products: | Wind Generator Controller and Inverter , Solar Hybrid Inverter , Power Conversion System , Off Grid Inverter , DCDC Converter |
Mgmt. Certification: |
ISO9001:2015
|
Factory ownership: | Limited Company |
R&D Capacity: | Own Brand, ODM, OEM |
Location: | Jinan, Shandong |
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Unit Price: US$ 3000-10000 / PieceMin. Order: 1 Piece
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Unit Price: US$ 3900-4100 / PieceMin. Order: 1 Piece
Biobase Biozone Co., Ltd.
Business Type: | Manufacturer/Factory & Trading Company |
Main Products: | Refrigeration Equipment , Autoclave , Chemistry Analyzer |
Factory ownership: | Limited Company |
R&D Capacity: | ODM, OEM |
Location: | Jinan, Shandong |
Production Lines: | 8 |
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Unit Price: US$ 200-370 / PieceMin. Order: 1 Piece
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Unit Price: US$ 1500-3400 / unitMin. Order: 1 unit
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Unit Price: US$ 1980-3000 / PieceMin. Order: 1 Piece
Biobase Biodustry (Shandong) Co., Ltd.
Business Type: | Manufacturer/Factory & Trading Company |
Main Products: | Laminar Flow Cabinet , Fume Hood , Biosafety Cabinet , Clean Bench , Safety Cabinet |
Mgmt. Certification: |
ISO9001:2015, ISO14001, Others
|
Factory ownership: | Limited Company |
R&D Capacity: | Own Brand, ODM, OEM |
Location: | Jinan, Shandong |
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Unit Price: US$ 920-4600 / PieceMin. Order: 1 Piece
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Unit Price: US$ 2300-3545 / PieceMin. Order: 1 Piece
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Unit Price: US$ 3199-3500 / PieceMin. Order: 1 Piece
Guangzhou CN Electrical Equipment Co., Ltd.
Business Type: | Manufacturer/Factory & Trading Company |
Main Products: | Electrical Partition Walls , Automatic Revolving Door |
Mgmt. Certification: |
ISO9001:2015, ISO14001
|
Factory ownership: | Limited Company |
R&D Capacity: | Own Brand, ODM, OEM |
Location: | Guangzhou, Guangdong |
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Unit Price: US$ 300 / SetMin. Order: 10 Sets
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Unit Price: US$ 150-180 / Square MeterMin. Order: 20 Square Meters