Zhuji City Conqueror brass cartridge Co., Ltd.(previous company: Zhuji City Chengning Valve Core Co., Ltd.), was set up in 2000, is a professional manufacturer of research and development quick open brass cartridge, brass valve cores, plumbing fittings, bathroom accessories and other products. The registered brand is "CHENGNING". Over the past decade, we continue to inport professionals and improve technology. At present, we have established a high-tech professionals team and master the core international technology. Ater 12 years of operational experience, strong technical force and a sophisticated marketing system, become the front runner in the industry, to promote the brass cartridge industry to the world. Our company mainly through B2B platform and participate in the industry exhibition, continued contacts with foreign customers, exchange of experience and technology, negotiations international business, The products sell well all over the country and are exported to Southeast Asia, Eastern Europe and South America.As Brazil, Germany, Poland, Italy, India and several Europe, Middle East, Asia and Africa Country.Our solid technology, excellent products, good reputation and perfect service have won the domestic and international customers' praises.