Shanghai Changchang Polymeric Materials Co., Ltd is located in Shanghai of China , it is a hi-tech enterprise which combines development, design, manufacture and sales.We produce various inbuilt and /or outboard protective and security products especially for professional sportswear for motorcycle racing, automobile racing , golf , skiing, baseball, hockey and ice hockey;even for anti-riot police outfits. our series products , CCSO Protectors, their outstanding properties are represented by very solid and durable ***** design inspiration came from our enthusiasm and passion for sports .Their complete support and protection can give you the competitive edge. CCSO Protectors use good quality and diverse materials in production ;each product based on its own specific ***** materials including PU, XPE, EVA , PE, PP, TITANIUM, etc may effectively reduce the possibility of sports injuries and help you effectively challenge within these sports. We have more than 20 products are qualified with authorized CE certifications by CERTOTTICA Institution (Italy) and AC Institution (UK) .