Kunshan Yangtze River Delta copper base metal Company Limited   

Kunshan Yangtze River Delta copper base metal Company Limited specializes in sales of international standards (ISO) German standard (DIN) GB (GB) (ANSI) American Standard fasteners and other non - standard special processing of various types of high-quality, high-precision bolts, screws, nuts and various. The company sells products through the ISO9001, ISO9002 and other international quality guarantee system and meet the USA bill FQA A2LA laboratory accreditation, used in pressure vessel industry products through the German TUV company's ped certification. 1, carbon steel categories: level 4.8, level 8.8, level 10.9, level 12.9 fasteners, imported alloy steel fasteners. 2, stainless steel: (A2-70, SUS304), SUS316, (a4-70), and other materials