Y&J tech company was established in 1999. For 20 years, it has focused on introducing vacuum plasma equipment parts products from Europe, America, Japan and other countries. It has a high reputation and professionalism in the vacuum plasma film industry. At present, it is actively developing the core business of key components required for high-end thin film applications such as semiconductor packaging, touch screens, optoelectronics, flat panel displays, optics, and solar energy.

The products of Y&J tech company include J.Schneider DC power supply, Pulse DC power supply, MF power supply, high voltage DC/AC power supply, ARC power supply, Barthel RF generator and RF auto match, SCI rotating cathode, Veeco Mark II+ ion source and RF ion source, FM microwave power supply, Shinmaywa Neocold refrigerators, Plasmatech E-beam source, Nachi Plasma electron gun and other plasma film application products.

Y&J tech company has always integrated "high-tech power" and "innovative thinking mode" into customer service, providing customers and the original factory with overall services in sales, service, application, marketing, etc., while satisfying the needs and goals from both customers and original factories.