Total 2,000+ protocol device factories & companies found with 6,000+ products. Source high quality protocol device from our great selection of reliable protocol device manufacturing factories.
Shenzhen Donghui Precision Mechanical & Electrical Co., ...
Business Type: | Manufacturer/Factory & Trading Company |
Main Products: | Mechanical Processing of Precision Part |
Mgmt. Certification: |
ISO9001:2015, ISO14001, Others
|
Factory ownership: | Limited Company |
R&D Capacity: | ODM, OEM |
Location: | Shenzhen, Guangdong |
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Unit Price: US$ 1-5 / PieceMin. Order: 1 Piece
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Unit Price: US$ 1-5 / PieceMin. Order: 1 Piece
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Unit Price: US$ 1-5 / PieceMin. Order: 1 Piece
Shenzhen Xishengtuo Communication Equipment Co., Ltd.

Main Products: | Jammer , Jammer Module , Signal Amplifier , Signal Booster , Vehicle Jammer |
Factory ownership: | Limited Company |
Location: | Shenzhen, Guangdong |
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$ 700-800 / SetMin. Order: 10 Sets
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Unit Price: US$ 1800-2000 / SetMin. Order: 10 Sets
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Unit Price: US$ 700-800 / SetMin. Order: 10 Sets
Hangzhou Tingoton Technology Co., Ltd.
Business Type: | Manufacturer/Factory & Trading Company |
Main Products: | Custom Ear Mold Materials , Hearing Aids , Hearing Aid Accessories , Hearing Testing Equipment , Hearing Aid Maintenance |
Mgmt. Certification: |
ISO9001:2015
|
Factory ownership: | Limited Company |
R&D Capacity: | Own Brand, ODM, OEM |
Location: | Hangzhou, Zhejiang |
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Unit Price: US$ 1599 / PieceMin. Order: 1 Piece
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Unit Price: US$ 2789 / PieceMin. Order: 2 Pieces
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Unit Price: US$ 1599 / PieceMin. Order: 1 Piece
Fujica System Co., Ltd
Business Type: | Manufacturer/Factory & Trading Company |
Main Products: | Swing Gate , Barrier Gate , Parking System , Swing Gate Motor , Swing Gate Turnstile |
Mgmt. Certification: |
ISO9001:2015, ISO45001:2018, ISO14001
|
Factory ownership: | Limited Company |
R&D Capacity: | Own Brand, ODM, OEM |
Location: | Shenzhen, Guangdong |
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Unit Price: US$ 89-99 / PieceMin. Order: 1 Piece
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Unit Price: US$ 89-99 / PieceMin. Order: 1 Piece
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Unit Price: US$ 89-99 / PieceMin. Order: 1 Piece
Foshan Sigbari Technology Co., Ltd.
Main Products: | Repeater , Mobile Signal Booster , Cellphone Signal Booster , 2g 3G 4G LTE Repeater , 3G 4G 5g Signal Amplifier |
Factory ownership: | Limited Company |
Location: | Foshan, Guangdong |
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$ 45000-55000 / SetMin. Order: 1 Set
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Unit Price: US$ 45000-55000 / SetMin. Order: 1 Set
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Unit Price: US$ 35000-45000 / SetMin. Order: 1 Set
Kunshan WonderTek Technology Co., Ltd.
Business Type: | Manufacturer/Factory & Trading Company |
Main Products: | Powerline Adapter , Powerline Ethernet Bridge , Network Extender , PLC Adapter , Phoneline Ethernet Bridge |
Mgmt. Certification: |
ISO9001:2015
|
Factory ownership: | Limited Company |
R&D Capacity: | Own Brand, ODM, OEM |
Location: | Suzhou, Jiangsu |
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Unit Price: US$ 200-450 / PieceMin. Order: 2 Pieces
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Unit Price: US$ 200-450 / PieceMin. Order: 2 Pieces
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Unit Price: US$ 200-450 / PieceMin. Order: 2 Pieces
Shenzhen Action Technologies Co., Ltd.
Business Type: | Manufacturer/Factory & Trading Company |
Main Products: | Repeater , MDAS , IMSI Catcher , Jammer , Power Amplifier Modules |
Mgmt. Certification: |
ISO9001:2015, ISO14001
|
Factory ownership: | Limited Company |
R&D Capacity: | Own Brand, ODM, OEM |
Location: | Shenzhen, Guangdong |
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Unit Price: US$ 50000-100000 / PieceMin. Order: 1 Piece
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Unit Price: US$ 50000-100000 / PieceMin. Order: 1 Piece
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Unit Price: US$ 70000-150000 / PieceMin. Order: 1 Piece
Shenzhen Polaris Security Technology Co., Ltd.
Main Products: | Drone Detector , Fpv Detector , Anti Drone System , Vehicle-Mounted Drone Defense System , Drone Jammer |
Factory ownership: | Limited Company |
R&D Capacity: | Own Brand, ODM, OEM |
Location: | Shenzhen, Guangdong |
Main Markets: | Southeast Asia/ Mideast |
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Unit Price: US$ 45999 / PieceMin. Order: 1 Piece
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Unit Price: US$ 1499-2599 / PieceMin. Order: 1 Piece
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Unit Price: US$ 6999-9999 / PieceMin. Order: 1 Piece
Shenzhen Pioneer Goods Communication Co., Limited
Business Type: | Trading Company |
Main Products: | Optic fiber cable , Electric cable , Hardware products , Optic fiber test equipment , Fusion Splicer |
Factory ownership: | Limited Company |
R&D Capacity: | Own Brand, ODM, OEM |
Location: | Shenzhen, Guangdong |
Main Markets: | North America , South America , Europe , Southeast Asia/ Mideast |
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Unit Price: US$ 88-98 / PieceMin. Order: 2 Pieces
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Unit Price: US$ 88-98 / PieceMin. Order: 2 Pieces
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Unit Price: US$ 1600-1650 / setsMin. Order: 1 sets
Beijing Sleeper Beauty Technology Co., Ltd.
Main Products: | Diode Laser Hair Removal Machine , Hydra Skin Clean Machine , Hifu Machine , ND YAG Laser Machine , CO2 Fractional Laser Machine |
Factory ownership: | Limited Company |
Location: | Beijing, Beijing |
Main Markets: | North America |
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Unit Price: US$ 2100-2300 / SetMin. Order: 1 Set
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Unit Price: US$ 2570-2860 / PieceMin. Order: 1 Piece
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Unit Price: US$ 2570-2860 / PieceMin. Order: 1 Piece
Shenzhen HCC Technology Co., Ltd.
Business Type: | Trading Company |
Main Products: | Pos Terminal; Bus Validator; Smart Card Reader; Thermal Printer; Barcode Scanner |
Factory ownership: | Limited Company |
R&D Capacity: | Own Brand, ODM |
Location: | Shenzhen, Guangdong |
Main Markets: | North America , South America , Europe , Domestic |
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Unit Price: US$ 340-394 / PieceMin. Order: 1 Piece
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Unit Price: US$ 290-340 / PieceMin. Order: 1 Piece
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Unit Price: US$ 200-220 / PieceMin. Order: 1 Piece
Beijing Sunrise Science&Technology Co., Ltd.
Business Type: | Trading Company |
Main Products: | IPL SHR , Diode laser , 980+1470nm Diode Laser , Picosecond Laser , HIFU |
Factory ownership: | Limited Company |
Location: | Beijing, Beijing |
Main Markets: | North America , South America , Europe , Southeast Asia/ Mideast , Africa , East Asia(Japan/ South Korea) , Australia , Domestic |
Staff: | 10 |
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Unit Price: US$ 1799-1999 / PieceMin. Order: 1 Piece
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Unit Price: US$ 3099-3299 / PieceMin. Order: 1 Piece
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Unit Price: US$ 1999-2200 / PieceMin. Order: 1 Piece
Shenzhen Newlotus Technology Ltd
Main Products: | Signal Booster , WiFi Signal Booster , Mobile Signal Booster , Wireless Signal Repeater , Esim Mifi Router |
Factory ownership: | Limited Company |
Location: | Shenzhen, Guangdong |
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$ 65-109.99 / PieceMin. Order: 1 Piece
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Unit Price: US$ 330-350 / PieceMin. Order: 1000 Pieces
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Unit Price: US$ 65-109.99 / PieceMin. Order: 1 Piece
Atech Sensor Co., Ltd
Main Products: | Pressure Sensor , Pressure Transmitter , Level Measurement , Pressure Transducer , Water Level Sensor |
Location: | Xi'an, Shaanxi |
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Unit Price: US$ 28 / PieceMin. Order: 1 Piece
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Unit Price: US$ 6.17 / PieceMin. Order: 1 Piece
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Unit Price: US$ 370 / pieceMin. Order: 1 piece
Beijing Konted Medical Technology Co., Ltd.
Main Products: | Portable Ultrasound Scanner , Wireless Ultrasound , WiFi Ultrasound , Handheld Ultrasound , Pocket Ultrasound |
Factory ownership: | Limited Company |
Location: | Beijing, Beijing |
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$ 900-3900 / PieceMin. Order: 1 Piece
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Unit Price: US$ 900-3900 / PieceMin. Order: 1 Piece
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Unit Price: US$ 1790-1890 / PieceMin. Order: 1 Piece
Ankuai Intelligent Tech Inc
Business Type: | Manufacturer/Factory & Trading Company |
Main Products: | Barrier Gate , Turnstiles , Sliding Gate , ALPR Parking System , Parking Security Equipment |
Mgmt. Certification: |
Others
|
Factory ownership: | Limited Company |
R&D Capacity: | Own Brand, ODM, OEM |
Location: | Dongguan, Guangdong |
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Unit Price: US$ 130-210 / PieceMin. Order: 1 Piece
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Unit Price: US$ 130-210 / PieceMin. Order: 1 Piece
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Unit Price: US$ 130-210 / PieceMin. Order: 1 Piece
Beijing Hezhong Huineng Electric Technology Co., Ltd
Business Type: | Manufacturer/Factory & Trading Company |
Main Products: | Power Meter , Electric Meter , Energy Meter , Panel Meter , Power Control System Scada |
Factory ownership: | Limited Company |
R&D Capacity: | ODM, OEM |
Location: | Beijing, Beijing |
Main Markets: | North America , South America , Eastern Europe |
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Unit Price: US$ 1500-2000 / unitMin. Order: 1 unit
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Unit Price: US$ 1500-2000 / unitMin. Order: 1 unit
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Unit Price: US$ 1500-2000 / unitMin. Order: 1 unit
Veise (Guang Zhou) Electronics Co., Ltd.
Main Products: | Backup Camera Systems , Backup Cameras , Reversing Camera Systems , Rear View Monitors , LED Beacon Warning Lights |
Factory ownership: | Limited Company |
Location: | Guangzhou, Guangdong |
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$ 235 / PieceMin. Order: 1 Piece
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Unit Price: US$ 850-900 / SetMin. Order: 1 Set
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Unit Price: US$ 330-350 / PieceMin. Order: 1 Piece
Shenzhen Gator Brilliant Technology Co., Ltd.
Business Type: | Trading Company |
Main Products: | Lora Gateway; GPS Watch; GPS Tracker; Lora Module; Brainy Pi |
Factory ownership: | Limited Company |
Location: | Shenzhen, Guangdong |
Main Markets: | North America , Europe , Australia |
Staff: | 15 |
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Unit Price: US$ 349-418 / PieceMin. Order: 100 Pieces
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Unit Price: US$ 349-418 / PieceMin. Order: 100 Pieces
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Unit Price: US$ 349-418 / PieceMin. Order: 100 Pieces
Onick Optics (Wuhan) Co., Ltd.
Business Type: | Manufacturer/Factory & Trading Company |
Main Products: | Range Finger , Telescope , Night Vision , Thermal Imager , Trail Cameras |
Mgmt. Certification: |
ISO9001:2015, ISO14001, ISO45001:2018
|
Factory ownership: | Limited Company |
R&D Capacity: | Own Brand, ODM |
Location: | Wuhan, Hubei |
Wuhan Nokos Electronics Co., Ltd.

Main Products: | Handheld Thermal Imaging , Thermal Imaging Module , Thermal Camera , Test Instrumentation , Monocular Telescope |
Location: | Wuhan, Hubei |
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$ 3215 / PieceMin. Order: 1 Piece
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Unit Price: US$ 549 / SetMin. Order: 1 Set
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Unit Price: US$ 3169 / PieceMin. Order: 1 Piece
Henan Season Medical Device Co., Ltd.
Main Products: | Rapid Test , Self Test , Digital Preganncy Test , Digital Ovulation Test , Vaginal pH Rapid Test |
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$ 1.7-1.9 / PieceMin. Order: 10000 Pieces
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Unit Price: US$ 1.7-1.9 / PieceMin. Order: 10000 Pieces
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Unit Price: US$ 1.7-1.9 / PieceMin. Order: 10000 Pieces
ThinkEhoo Medical Technology (HangZhou) Co., Ltd.
Business Type: | Manufacturer/Factory & Trading Company |
Main Products: | Catheter Mount |
Factory ownership: | Limited Company |
R&D Capacity: | Own Brand, ODM, OEM |
Location: | Hangzhou, Zhejiang |
Production Lines: | 2 |
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Unit Price: US$ 0.3-0.35 / PieceMin. Order: 2000 Pieces
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Unit Price: US$ 0.62-0.65 / PieceMin. Order: 2000 Pieces
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Unit Price: US$ 0.62-0.65 / PieceMin. Order: 2000 Pieces
Heze Zexuan Equipment Manufacturing Co., Ltd.
Business Type: | Manufacturer/Factory & Trading Company |
Main Products: | Biogas Flares , Ground Flare , Flare Stack , Flue Gas Purification Equipment , Thermal Oxidation Furnace |
Mgmt. Certification: |
ISO9001:2015, ISO14001, ISO45001:2018
|
Factory ownership: | Limited Company |
R&D Capacity: | ODM |
Location: | Heze, Shandong |
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Unit Price: US$ 50-500 / SetMin. Order: 1 Set
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Unit Price: US$ 50-500 / SetMin. Order: 1 Set
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Unit Price: US$ 50-500 / SetMin. Order: 1 Set
Changchun Intelligent Instrument Equipment Co.,Ltd.
Business Type: | Manufacturer/Factory & Trading Company |
Main Products: | Material Testing Machine , Torque Rheometer , Voltage Breakdown Tester , Capillary Rheometer , Melt Flow Index Tester |
Factory ownership: | Limited Company |
R&D Capacity: | Own Brand, ODM, OEM |
Location: | Changchun, Jilin |
Production Lines: | 2 |
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Unit Price: US$ 6500-10000 / SetMin. Order: 1 Set
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Unit Price: US$ 6500-10000 / SetMin. Order: 1 Set
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Unit Price: US$ 6500-10000 / SetMin. Order: 1 Set
Huaibei Huadian Automation Technology Co., Ltd.
Business Type: | Manufacturer/Factory & Trading Company |
Main Products: | Sensor , Transmitter |
Factory ownership: | Limited Company |
R&D Capacity: | Own Brand, ODM, OEM |
Location: | Huaibei, Anhui |
Main Markets: | South America , Europe , Southeast Asia/ Mideast , East Asia(Japan/ South Korea) , Domestic , South Asia |
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Unit Price: US$ 49-120 / PieceMin. Order: 1 Piece
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Unit Price: US$ 49-120 / PieceMin. Order: 1 Piece
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Unit Price: US$ 49-120 / PieceMin. Order: 1 Piece
Xiamen Sun Lion Technology Co., Ltd.
Main Products: | Air Pressure Therapy System , Recovery Boots , Medical Euqipemnt , Air Compression Leg Massage , Hospital Bed |
Factory ownership: | Limited Company |
Location: | Xiamen, Fujian |
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$ 399-625 / PieceMin. Order: 1 Piece
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Unit Price: US$ 379-545 / SetMin. Order: 1 Set
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Unit Price: US$ 359-530 / SetMin. Order: 1 Set
Hangzhou Softel Optic Co., Ltd.
Business Type: | Trading Company |
Main Products: | CATV Products , Fiber Optic Passive , Satellite Equipment , Fiber Optical Transmission Equipment , Digital Headend Equipment |
Factory ownership: | Limited Company |
Location: | Hangzhou, Zhejiang |
Main Markets: | North America , South America , Europe , Southeast Asia/ Mideast , Africa , East Asia(Japan/ South Korea) , Australia , Domestic |
Staff: | 19 |
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Unit Price: US$ 1380 / PieceMin. Order: 1 Piece
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Unit Price: US$ 1020 / PieceMin. Order: 1 Piece
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Unit Price: US$ 25.5-58.5 / PieceMin. Order: 1 Piece
Haomai Electric Power Automation Co., Ltd.
Business Type: | Manufacturer/Factory & Trading Company |
Main Products: | CT PT Analyzer , Relay Protection Test System , Substation DC System Tester , Battery Test System |
Mgmt. Certification: |
ISO9001:2015, ISO14001, ISO45001:2018
|
Factory ownership: | Limited Company |
R&D Capacity: | Own Brand, ODM, OEM |
Location: | Wuhan, Hubei |
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Unit Price: US$ 18000-25000 / PieceMin. Order: 1 Piece
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Unit Price: US$ 18000-25000 / PieceMin. Order: 1 Piece
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Unit Price: US$ 18000-25000 / PieceMin. Order: 1 Piece
Chuanyang Electric Co., Ltd
Main Products: | Transformer , Voltage Stabilizer , Outdoor Vacuum Circuit Breaker , DC Power Supply , Landscape Box-Type Substation |
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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Unit Price: US$ 3000 / PieceMin. Order: 1 Piece
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Unit Price: US$ 3000 / PieceMin. Order: 1 Piece
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Unit Price: US$ 3000 / PieceMin. Order: 1 Piece