Xiamen Xin Jin Yao Trade Ltd. is located in Xiamen, Fujian, China company. Adhering to the "innovative ideas, the pursuit of excellence, rapid improvement, sustainable management" business philosophy; and "Quality is the first work", "Customer satisfaction is our honor," as our quality policy will never change; to care for the environment back to society, caring for employees and other social responsibility; "integrity, responsibility, innovation, teamwork," as Feng Ming constant pursuit and goal, wish friends together for a better tomorrow! Technical requirements: the mechanical properties of the mechanical properties of steel galvanized before GB 3091 should comply with the provisions of. Uniformity of the galvanized steel galvanizing layer of zinc coating uniformity test should be. Steel sample was immersed in a copper sulfate solution 5 consecutive times not be red (copper color). Cold bending test is not more than 50mm nominal diameter galvanized pipe should be cold bend test. Bending angle is 90 °, bending radius of 8 times the outer diameter. Without filling the test, the sample should be placed outside of the weld or the upper bending direction. After the test, the sample should not have cracks and peeling of the zinc layer with like. Xiamen Xin Jin Yao Trade Ltd. is located in Xiamen, Fujian, China company. Adhering to the "innovative ideas, the pursuit of excellence, rapid improvement, sustainable management" business philosophy; and "Quality is the first work", "Customer satisfaction is our honor," as our quality policy will never change; to care for the environment back to society, caring for employees and other social responsibility; "integrity, responsibility, innovation, teamwork," as Feng Ming constant pursuit and goal Hangzhou jdg metal conduit, friends willing to join hands in creating a better tomorrow! Because galvanized square tube is carried out on the square tube galvanizing process, it makes the range of applications than galvanized square tube square tube has been greatly expanded. It is mainly used for walls, buildings, machinery manufacturing, steel construction projects, shipbuilding, solar power metal stents jdg threading pipe, steel works Xiamen jdg metal conduit, electrical engineering, Zhejiang jdg metal conduit, power plants, agricultural and chemical machinery, glass walls, car chassis, airports and so on. jdg metal threading pipe manufacturers | jdg metal pipe threading | Heilongjiang kbg pipe Which is better provided by Xiamen Xin Jin Yao Trading Limited. Xiamen Xin Jin Yao Ltd. (www.556.com) strong, credible, in Xiamen, Fujian metal building materials industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead Xin Jin Yao trade and you work into the brilliant, for a better future!