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Roofing screw with reduce point Standard:DIN ***4 Material:C***2A Thread Size:3.**6.3mm Length:9.****0mm Cixi City Huaguan Standard Components Manufacture Co., Ltd is located in Cixi city of Zhejiang province on the southern banks of Hangzhou bay cross-sea bridge. It is the longest cross-sea bridge in the world. It is close to Ningbo in the southeast and separated by sea from Shanghai in the north. It lies in the central area of Shanghai, Hangzhou and Ningbo economic gold triangle. It traverses the factory by gold main road of **9 state line. It has the advantageous geographical position and transport facilities. The company is of the consummate equipments, reliable quality. It owns the high-tech fully automatic and multi-functional cold former, heading machine, thread rolling machine, end drill etc. It has passed ISO***1:***0 international quality system cerrification. It belongs to China machinery general-purpose spares & components industrial association. Our products are popular in various domestic provinces and cites. They also export to Europe, America, The Middle East, Australia, East Europe and so on. This company mainly produces various series of drilling screw with tapping screw, dry wall screw, fiber board screw, self-tapping screw, machine screw, all kinds of non-standard goods. our company is in line with the managing idea of "sincere and pragmatic, quality first, user's interest supreme, persistent improvement".We provide you with the most favorable price and the best quality goods. Welcome vast old and new customers come to visit us and negotiate business with us.