Company: Jinan Daoqin Founded in 2008, Weishan 304 stainless steel screws, located in the capital city of Shandong Province, the beautiful Springs - Jinan, Jiaxiang 304 stainless steel screws, is a young company, Liangshan 304 stainless steel screws, with a young team But we are very professional. Division I since 2011 to become China's largest professional stainless steel fastener manufacturers - strategic partner Zhejiang Dongming Stainless Steel Co Ltd, the 5 consecutive years Dongming "THE" "TONG" in Jinan, Shandong Province in the special distribution rights. Stainless steel screw-locking solutions and preventive measures: in my many years of production, laboratory, and research to explore the long-term for stainless steel fasteners, has solved the problem of stainless steel screws locked. I supply the product can provide effective user during use of stainless steel screws, convenient and quick solution at no additional cost. 316 and 317, 304 stainless steel screws, they all contain the alloying elements Mo, so their high-temperature strength and corrosion resistance than 18-8 stainless steel high. 321 and 347, 321 contain a more stable alloy elements Ti, 347 type containing Nb, thereby increasing the resistance to intergranular corrosion of materials. Not annealed or stainless steel fasteners in 420 ~ 1013 ℃ after serving applies to welding. Yanzhou 304 stainless steel screws, 304 stainless steel screws, Jinan Road ground is provided by Jinan Daoqin Trading Company. Jinan Daoqin Trading Company (www.daoqinshangmao.com) (www.daoqinshangmao.com) strong, credible, in Jinan, Shandong hardware accessories industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead Jinan Road ground into the brilliant and you work for a better future!