Xiamen Simpal Co., Ltd local in Xiame city, China, Is an innovative company mainly working on GSM related products. The R&D team has worked on GSM product for more than 11 years, proficient in PCB hardware design, GSM module firmware, MCU firmware development. We can customization or newly develop GSM related product according to customer's requirement. Our SimPal series GSM product already sold to Norway, Sweden, Russia, Germany, UK etc more than 30 countries. "Sustainable", "Honesty"and "Invitation" are the principles of company, respect customer's profit and mutually beneficial cooperation will help us growing with customers.

Shenzhen Lingbao Electronics Co. Ltd is a manufacturer and exporter of gas sensor series in China. With self-independent property rights and the core technology, adopting modern management system, advanced equipment, employing high-qualified staffs, the output of detector can reach 2000PCS per day. Meanwhile, we can develop new product according to customer`s request.

Ningbo SenYu Electronics Co., Ltd. is a professional production of the terminal blocks of the manufacturers, is located in China's most economically developed Yangtze River Delta region, Southbridge end Cixi, Ningbo Hangzhou Bay Bridge. The company has been committed to manufacturing and production terminal blocks series of products which in full compliance with CE certification standards, and has strong technical force, advanced production technology, perfect testing equipment, strict quality management and good after-sales service system. For products, we carefully Mayans; For you, we trust each other; For the future, we are full of confidence. This is SenYu based on the market, has won the backing of the majority of customers and infrastructure.

Our company-WEIHAI TONGFU TRADING Co., LTS is located in Weihai city shangdong provice