Wholesale Serial Port Converter Total 240 manufacturers & suppliers found with 720 products
HV Hipot Electric Co., Ltd.
Since 2011
48.5 Mil
2000+
68
Suppliers with verified business licenses
5.0
Annual Revenue
Plant Area
Number of Employees
Manufacturer/Factory
, Trading Company
Transformer Testers , Partial Discharge Test System , Insulation Tester , High Voltage Test Set , Switchgears Test Set
Own Brand, ODM
Response Time≤3h
SHENZHEN XINPOMING POWER EQUIPMENT MANUFACTURING CO., LTD.
Since 2018
1300
24
Suppliers with verified business licenses
4.0
Plant Area
Number of Employees
Manufacturer/Factory
, Trading Company
Voltage Stabilizer , Voltage Transformer , UPS , Voltage Regulator , Variable-Frequency Power
ODM, OEM, Own Brand
ISO 9001
Kvtester Electronics Technology Co., Ltd.
Since 2019
338
20
Suppliers with verified business licenses
4.0
Plant Area
Number of Employees
Manufacturer/Factory
, Trading Company
CT and PT Analyzer , HV Testing Equipment , Transformer Tester , Relay Protective Tester , Generator and AMP Tester
Own Brand, ODM, OEM
ISO 9001
Sichuan Weinasa Technology Co., Ltd.
Since 2022
200
8
Suppliers with verified business licenses
4.0
Plant Area
Number of Employees
Trading Company
Automatic Weather Station , Wind Speed Senser , Wind Direction Senser , Ultrasonic Wind Speed and Direction Senser , Soil Temperature and Moisture and Conductivity Senser
OEM, ODM, Own Brand
within 15 workdays
Shenzhen Canjingsheng Electronic Technology Co., Ltd.
Since 2022
100
6
Suppliers with verified business licenses
5.0
Plant Area
Number of Employees
Trading Company
Phone Case , Bluetooth Earphone , Phone Charger , Wireless Charger , Smart Watch
OEM, ODM, Own Brand
ISO 9001, ISO 14001, ISO 14000, ISO 20000, OHSAS/ OHSMS 18001...
Wuxi Reps Power Technology Co., Ltd.
Since 2023
100
2
Suppliers with verified business licenses
5.0
Plant Area
Number of Employees
Manufacturer/Factory
, Trading Company
Solar Panel , Solar System , Solar Inverter , Cable , Solar Bracket
OEM, ODM, Own Brand
ISO 9001, ISO 9000, ISO 14001, ISO 14000
Manufacturer/Factory
, Trading Company
Oil Purifier , Fire Testing Equipment , Petroleum Products Testing Equipment , Electrical Testing Equipment , Transformer Test Set
OEM, ODM, Own Brand
ISO 9001
Xiangtan Xiangyi Instrument Limited
Since 2017
2000+
36
Suppliers with verified business licenses
4.0
Plant Area
Number of Employees
Manufacturer/Factory
, Trading Company
Lab Equipment
ODM, OEM
ISO 9001, ISO 14001, GMP, ISO 13485
NANBEI INSTRUMENT LIMITED
Since 2015
435
46
Suppliers with verified business licenses
4.0
Plant Area
Number of Employees
Trading Company
Laboratory Instrument , Ice Maker , Life Science Instrument , Testing Instrument , Professional Instrument
OEM, ODM, Own Brand, Custom
ISO 9000
Manufacturer/Factory
Automotive Maitenance Equipment , Car Repair Tool , Automobile Collision Repair Equipment , Car Workshop Equipment , Chassis Straigntener
Yantai, Shandong
Manufacturer/Factory
Flammability Tester , Fire Test Equipment , Petroleum Products Test Equipment , Lubricating Oil Test Kits , Electrical Test Instrument
OEM, ODM, Own Brand
ISO 9001
Manufacturer/Factory
Snack Machine , Food Processing Machine , Potato Chips Production , Fryer , Dryer
OEM, ODM, Own Brand
ISO 9001
Manufacturer/Factory
, Trading Company
Ethernet to Serial , Serial to Ethernet , Serial Device Server , Industrial Serial Converter , Industrial Ethernet Switch
OEM, ODM
Shenzhen, Guangdong
Shanghai Xuanxin Technology Co., Ltd.
Since 2024
500
2
Suppliers with verified business licenses
4.0
Plant Area
Number of Employees
Trading Company
Raspberry Series , Development Boards , Electronic Modules , Education & Maker Boards , Toy Robots
OEM
ISO 9001
Manufacturer/Factory
Serial Port Expansion Card , Serial Port to IP Communication Module , USB to Serial Device , 48K Voiceprint Acquisition Module , 4G LTE Wireless Communication Module
Hangzhou, Zhejiang
Manufacturer/Factory
Travel Adapter , Power Cord & Power Strip , Car Antenna Cable , Soldering Iron & Switch , Solar Panel & Light
OEM, ODM, Own Brand
ISO 9001, ISO 14000
Manufacturer/Factory
GPRS DTU Modem , 3G Modem , WiFi Modem , Zigbee , LED Control Card
Shenzhen, Guangdong
Shenzhen Heng Hong Tong Electronics Technology Co., Ltd.
100
Plant Area
Manufacturer/Factory
, Trading Company
Module , Battery Charger , Integrated Circuit , AC/DC Adapter , Temperature and Humidity Controller
OEM
ISO 9000
Carrie Smart (Shenzhen) Co., Ltd.
Since 2020
45
2
Suppliers with verified business licenses
4.0
Plant Area
Number of Employees
Trading Company
Game Card; Light Pad
OEM, ODM
ISO 9001, ISO 9000
Sunhokey Electronics Co., Ltd.
Since 2019
300
10
Suppliers with verified business licenses
4.0
Plant Area
Number of Employees
Trading Company
Digital Voltmeter Ammeter , Oximeter Blood Oxygen Monitor , Communication Network , Raspberry Pi , Orange Pi
Nil
within 15 workdays
Beijing W&F Technology Co., Ltd.
Since 2023
110
10
Suppliers with verified business licenses
4.0
Plant Area
Number of Employees
Trading Company
Fiber Optical Fusion Splicer , OTDR , Optical Power Meter , Fiber Cleaver , Visual Fault Locator
ODM, OEM
Response Time≤3h
Manufacturer/Factory
, Trading Company
Connector , Converter , Embedded Module , Repeater
Shenzhen, Guangdong
Trading Company
Computer Adapters , Security Products , Usb Products , Computer Cables , Car Charger
Shenzhen, Guangdong
Xian XZH Electric Power Technology Co., Ltd.
Since 2021
1700
5
Suppliers with verified business licenses
5.0
Plant Area
Number of Employees
Manufacturer/Factory
, Trading Company
Cable Fault Locator , Transformer Tester , Ac Dc Hipot Tester , Ground Tester , High Voltage Circuit Breaker Analyzer
Own Brand, ODM, OEM
ISO9001:2015, ISO14001:2015, ISO45001:2018
SEHNZHEN CITY GREENCODE ACCESS CONTROL TECH CO.,LTD
Since 2011
379
22
Suppliers with verified business licenses
4.0
Plant Area
Number of Employees
Trading Company
Access Control , Card Reader , Multi Door Access Controller , ID Card , Mifare Card
OEM, ODM
within 15 workdays
Manufacturer/Factory
, Trading Company
, Group Corporation
Fiber Optical Cable , FTTH Drop Cable , PLC Splitter , Optical Patch Cord , Optical Connector
OEM, ODM, Own Brand, Customized
ISO 9001, ISO 9000, ISO 14001, ISO 14000, ISO 20000...
Xiamen Rongxiangrui Electronics Co., Ltd.
Since 2018
45
5
Suppliers with verified business licenses
4.0
Plant Area
Number of Employees
Trading Company
Walkie Talkie , Car Radio , Radio Accessory
OEM, ODM, Own Brand
ISO 9001
TRYTE TECHNOLOGY (HUNAN) DEVELOPMENT CO., LTD.
Since 2016
678
30
Suppliers with verified business licenses
4.0
Plant Area
Number of Employees
Manufacturer/Factory
, Trading Company
Gas Chromatograph , Liquid Chromatograph , Atomic Absorption Spectrophotometer , Geology Instrument , Coal Testing Instrument
Own Brand, ODM, OEM
ISO 9001, ISO 14001, ISO 14000, ANSI/ESD
Manufacturer/Factory
, Trading Company
Mobile Phone Accessories , Computer Accessories , Consumer Electronics , Cable & Networking , Lights & Lighting
OEM, ODM, Own Brand
ISO 9001, ISO 14001, ISO 14000