Q-Switches  Manufacturers, Traders, Suppliers

WISOPTIC TECHNOLOGY is one of the worldwide leading manufacturers of nonlinear crystals, laser crystals, and Pockels cells. As one of the pioneers of Pockels cell R & D in China, WISOPTIC has nearly 20 years experience in crystal growing, processing and EOM design and manufacture. Almost all of the products made by WISOPTIC were exported to overseas markets (e.g. Europe, North America, Australia, Korea). Every piece product released from WISOPTIC must has been undergone strict inspection and test. WISOPTIC provides 24/7 response to its customers.

*Yueqing Tongda Wrie Electric Factory (headquarter) was founded in 1990
*Our main business is developing and manufacturing industrial control switches, such as Micro Switch, Rocker Switch, Telephone Hook Switch, Push Button Switch, Tact Switch, Refrigerator Switch and so on.
*Our products have passed the testing of UL,C-UL, ENEC,VDE, KC, CE, CB,TUV, CQC, EX (explosion-proof crtification) and other domestic or worldwide safety certifications.
*which has been approved by our customers (Chinese famous brands such as Media, Supor, LG Tianjing, Okin, Joyoung, Povos, Wirlpool, SEB France, Teka etc.) and it is gaining fame from our good product quality.
1. Provide customer-satisfied factory product sand supporting services for high-end complete machine enterprises
2. Integrity, diligence, pragmatism and innovation
3. Meet customer needs, become a national brand, and achieve outstanding employees

Jiangsu Changsheng Electric Appliance Co., Ltd. is located in Changzhou High-tech Development Zone. It has a floor area of more than 30,000 square meters, a building area of 25,000 square meters, four branch companies in Changzhou and Huai’an respectively, a fixed capital of more than 100 million yuan and more than 1,600 staff, wherein there are more than 200 professional technicians and managers. The company has more than 50 sets of professional automatic production equipment and more than 20 sets of detecting instruments introduced from Japan, and more than 400 sets of home-made production and detection instruments. It mainly produces 17AM-D, BR-A, BR－B, 8AMC and 18AM current temperature type automatic recovery protectors, BW and BR-B6D temperature type automatic protectors, motor tacho-generators, temperature fuses, etc.