Zhuji City Yanfeng Valve Manufacturing Co., Ltd. has specialized in safety valves, check valves, ball valves and brass fittings for 18 years. We are also professional in air compressor fittings, pneumatic components and plumbing fittings. Our factory is located near Hangzhou Airport. It just takes 1 hour's drive to Hangzhou Airport. We have more than 70 employees. Our company covers an area of more than 20,000sqm, including a modern factory of over 6,000sqm. In 2000, we developed our ...