Our products are mainly recognized for accuracy and precision, thanks to skilled professionals and lab experts at our production facility situated in Wenzhou, Zhejiang, China. The reason Zhejiang Chenggao Co., Ltd Private Limited is listed among leading Steel Bolt Manufacturers and Retailers is the durability of valve,pipe,flange,pipe fittings, promised and delivered on every order. With years of experience and expertise in the Steel Bolt industry we are now able to drive annual revenue estimating around US$2.5 Million - US$5 Million owing to Australia,Canada,Spain,Singapore,United Kingdom export market share. Since our inception, back in 2010, we hold most satisfied consumer base which can be witnessed with our export ratio value of US$2.5 Million - US$5 Million with successful 10 Years of export history. Zhejiang Chenggao Co., Ltd started off with US$10 Million of initial capital under Have Own Export License.