Shenzhen Soyin Electrical Appliance Industrial Co., Ltd. is a new enterprises company engaged in R&D and distribution. The firm 's main business comprises production of Environmentally Friendly Series, Solar Garden Light, Electronic Pest Repellent Series, Infrared Annunciator Series, Body Building Series, Mini R/C Controlled Toys, Handheld Games, Home Electronics and Electric gifts. Soyin originally engaged in developing electronic gifts.

In recent years, the firm developed into a main electronic gifts manufacturer, whose products are sold well in international market. Mr. Tang BingLong general manager of Soyin adjusted their strategy into "establish Soyin brand 's image and explore markets with high technique. "Thus, the firm keeps on upgrading its production and technology with the power of new technique.

Soyin has a group of energetic professional executives, who makes the firm 's operation system properly operated according to ISO 9001 certificate requirements. In addition, the firm itself released a special computer sofware to support its modern management system. Market plans, R&D work, production, export businesses and after sale service are handled with the help of internet, in order to make its operation system conform to international standard.