Shanghai SJ Co., Ltd
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Shanghai SHJ Electronic Co., Ltd.
🇨🇳 China
200511-50 peopleManufacturer/Trading CompanyEstablished brand
OEM manufacturer
Product customization
Low MOQ
Key market
🇧🇷 Brazil
Description
Shanghai SHJ Electronic Co., Ltd. is a professional manufacturer and trading company established in 2005, specializing in low-cost industrial control systems and data acquisition solutions. Based in Shanghai, China, the company operates with a dedicated team of 11 to 50 employees and maintains a strong focus on research and development for communication hardware. Their extensive product portfolio includes Ethernet I/O modules, RS485 modules, Zigbee wireless modules, CANBUS modules, and various signal converters. These products support a wide range of industrial protocols such as Modbus RTU, Modbus TCP/IP, and PROFIBUS.
The company's technical expertise covers diverse signal processing, including analog inputs (0-10V, 4-20mA, NTC thermistors), isolated digital inputs, and various outputs such as relays, open-collectors, and 24VAC triacs. SHJ Electronic is recognized for its manufacturing capabilities, offering both OEM and ODM services to create custom modules or closed-loop controllers with PID control tailored to specific project requirements. Their hardware is designed for industrial reliability, often featuring DIN rail support, surge protection, and isolation.
With certifications including CE, RoHS, and UL, Shanghai SHJ Electronic Co., Ltd. ensures high quality standards across its manufacturing processes. The company serves an international market, with established distribution networks and export activities reaching North America, Western Europe, the Middle East, Australia, and parts of Asia.
40-CH Isoalted Digital Input Module, RS485, Modbus RTU$89
24-CH Isolated Digital Input 16-CH Isolated Digital Output Module RS485 Modbus RTU$89
12 Channels Ethernet Analog Input, 12 Channels Relay Output Modules, Modbus TCP Modbus RTU$125
8 0-10V, 0-20mA, Ntc 10k Thermistor Analog Input 12 Relay Output 2 0-10V Analog Output 3 Digital Input RS485 Modbus$109
Ethernet 16 Chananels 0-5V, 0-10V, 4-20mA, Dry Contact, 10k Ntc Thermistor Inputs, 16-Bit Adcs, Modbus/Tcpip and Modbus Protocol$139
RS232/RS485 to Zigbee Wireless Converter (S7889)$76
16 Channels 0-10V, 4-20mA, 10k Ntc Analog Input, 4 Relay Output$105
40-CH Analog Input Module, 0-5V, 0-20mA, Dry Contact Input Module, RS485, RTU$89
8 Universal Analog Input 16-CH Isolated Open-Collector Output 6 Digital Input Ethernet Modbus Tcpip$89
8-CH 0-5V, 0-10V, 0-20mA, Ntc 10k Thermistor Analog Input, 10 Relay Output Module, RS485, Modbus RTU$105
Ethernet to RS232/RS485/Zigbee Converter, Modbus/Tcpip to Modbus Protocol$120
8-CH 0-5V, 0-10V, 0-20mA, Ntc 10k Thermistor Analog Input 16-CH Isolated Digital Output 6 Digital Input Ethernet Modbus Tcpip$145
Sanjia Advertising Media Co.,Limited
🇨🇳 China
2002Fewer than 5 peopleTrading Company/ManufacturerEstablished brand
High-tech enterprise
Key market
🇺🇸 United States
Description
Sanjia Advertising Media Co., Limited, established in 2002 and based in Shanghai, China, is a trading company and contract manufacturer specializing in signs media. With a focus on providing "Sign Media Solutions," the company is engaged in the production, R&D, and sale of a comprehensive range of advertising media products. Their extensive product portfolio includes Outdoor Media such as PVC banners, mesh banners, tarpaulins, and one-way vision film; Indoor Media like PP paper, photo paper, self-adhesive vinyl, backlit film, and frontlit film; various Textiles including fabric canvas, silk fabric, and cotton canvas; Display Equipment such as X-banner stands and roll-up displays; and Panel & Sheet products including PVC foam sheets and acrylic sheets. Sanjia Advertising Media Co., Limited operates with a commitment to better price, quality, and service, and has established a strong international presence, cooperating with customers across the USA, South America, Southeast Asia, the Middle East, and Europe. The company, though operating with fewer than 5 employees, emphasizes professional sales and strong technical capabilities to serve its global clientele.
PVC Rigid Film
Glossy Photo Paper
