... stainless steel, steel, aluminum, as customers' requestProcessing service: Casting, Machining, Metalworking, Sheet Metal Bending, Surface Treatment .We ... machine of Zhengzhou Central China Construction Machinery Equipment Co., Ltd.( Feb.2007)12. 900T movable bridge erection ... Machine of Zhengzhou Central China Construction Machinery Equipment Co., Ltd.(May 2008)19. Warm,dissolution and dilution ...