There is a bright pearl in the fastener industry in the world ,Website:http://www.nbzhencheng.com,it is located in the famous”Hangzhou Bay Bridge”Golden Channel Coast Andong export 1.5km, the national fastener industry outstanding enterprise Cixi City Zhencheng Machinery Co.,ltd.---Enterprise law “integrity, pragmatic, truth-seeking, innovative” approach to the character and constantly open up, forge ahead, self drilling and tapping screw has become the largest production base, with an annual output of high-quality 80000000 sets of 10.9 grade high strength bolt modern production line,...