Brass wing nut DIN,ANSI,BS Brass,carbon steel, stainless steel Haiyan Pufa Metal Co., Ltd. is a comprehensive company integrating manufacturing and ... spread all over Yangtze River Delta.Over the years, our company adheres to the belief of "win-win, honesty". We believe ... future. We have enjoyed a good reputation in fastener industry. Company Name:Haiyan Pufa Metal Co., Ltd. Business Type:Trading ...