Changzhou Chengda Sponge Co.,Ltd. is a professional manufacturer of sponge products.We located in a beautiful,citized, rapied developing city, Changzhou, which is not far from Shanghai and Nanjing. Over these years, we always focused on production develpment and quality improvement, we use the ISO9001:2000 and the ISO/TS16949:2000 to manage the production. and we also always pay attention to the quality control by the professional quality engineers.Our main products are PU and rubber foam, such as fire retardant sponge,sound absorbing sponge, composite sponge, shape sponge, wave sponge, conductive sponge, filter sponge, non-reticulated and reticulated sponge,high and low resilience sponge,packing sponge, etc. Our products are widely used in electronic industry,car industry, travel, building materials, packing fields, tool accessories, shoes materials, exercise equipments,etc.