Shanghai Chuan-Shi Technical Co., Ltd. is located in Pujiang Town, Minhang District, close to the Shanghai Expo Site. It is energy-saving Lamps Company integrated of R&D, production, and marketing. As one of ODM factories for Philips, Osram and GE, we have developed our own brands: TRUNK and CSI.

During more than 20 years development, we have successfully trained up a group of experienced and pioneering technical engineers and skillful operation workers. We have been equipped with full set of advanced equipments for lamp tube and whole lighting fixture processing. We have introduced the SMT technology and relative equipments, dual wave soldering machine, automatic cutting machine, and on-line monitoring device for electronic ballast processing to guarantee product quality.

The new branch factory built in Kunshan city in 2006 covers the area of 85 acres. At present, we have more than 300 employees to guarantee our annual output capacity of 50, 000, 000PCS of electronic energy-saving lamps, and millions of independent electronic ballast. We also established comprehensive quality guarantee system. Therefore, the company has been authorized ISO9001 Quality System Certificate, and our products have passed several international certification such as UL, ES, CUL, FCC, CE, etc.