主要pp包括:Freelin-Wade,PIC Design,SDP/SIVlier,Jergens Industrial Supply(杰根斯),ASG,Avk Fasteners,Century Spring Corp(世纪春天弹簧),Lee Spring,Pacific Bearing Company,Nook,GGB,THK,Fairlane Products,S&W Manufacturing ,Accuride International (雅固拉), Hafele(海福乐),STANLEY (史丹利), Sugatsune/Lamp(...