ZHEJIANG CHENGZHOU ALLOY TOOLS CO.,LTD is established in 1998, located in “Town of Drill” -Furong Town, on the foot of beautiful Yandang Mountain, in Zhejiang province, China.
We specialize in manufacturing a great variety of power/pneumatic screwdriver bits, hex key wrench, magnetic nut setter, magnetic bit holder, diamond hole saw, carbide ceramic core drill, cemented carbide, etc. We have several our own brands, such as “SNZO”, “GOP”, “CHENGZHOU” and also do OEM business service for many customers.