PDM-Industry Limited is since 2007, the professional manufacturer of Fasteners, Hardware Components, and Auto exhaust pipes System Fittings(Exhaust Clamps). In past 10years PDM have built production Center(Qingdao Pengrui Machinery Co.,LTD), trained a professional work team(35 Employee) including experienced engineers, critical QC System(ISO9001:2008), dedicated plant workers and Talent Sales. PDM provide satisfied service to many long term customers with our standing quality and competitive costs. It is our constant purpose to do and be a professional and excellent Made-in-China Supplier!