ZhongYa (Tianjin) Electronic Soldering Technology Co., Ltd. was established in 1988, a innovative oriented enterprise engaged in the research and development of production, technical services, and after-sales service of environmentally friendly lead-free soldering. It is located in the Balitai Industrial Zone, Tianjin Binhai New Area in Jinnan district, and is certified to the ISO9001 quality system and ISO14001 environment system of international SGS company.

The SMT solder paste, lead free solder wire, lead free solder bar, wave soldering with disposable liquid flux, high and low temperature solder alloys developed meet the requirements of the EU ROHS directive and REACH regulation. Products are widely used in military, aerospace, computer, LED, lighting, security equipment, solar energy, instrumentation, high speed rail, rail transportation, subway, terminal signal, communications meteorology, Internet transmission, home appliances, electronic information, robotics, and automotive electronics, etc.