About CHENGZHOU
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.


We do research & development and production by ourselves. All of our products comply with international quality standard and are greatly appreciated in different markets throughout the world. Our well-equipped facilities and outstanding quality control throughout all stages of production enables us to guarantee every customer’s requirement.


"Quality first, customer first" is our aim which win us lot trust and support from the market and customers. If you are interested in our products, Please feel free to contact us. We are looking forward to create a win-win business relationship with you!
Product Catalog