702 Zhubang 2000 Chief Business Center, Chaoyang District, Beijing

SAFETAK CO LTD was established in 1996 by the founder Mrs. Wang Yuelan and is mainly in the field of gas detection equipments, including research and development, manufacturing, sales, training, maint...

Fengtai District, No 188,ABP

Focused Photonics (Beijing) Scientific Inc. is a high-tech enterprise created in 2002 by Mr. Wang Jian, PhD of Stanford University and Mr. Max Yao, MBA of UC Berkley. We are located in Hangzhou High-T...