... the fasteners for 20 years. 2,The prices of our production are reasonable! 3,The best quatity . 1.NameNuts Bolts ... 6) Processes: Cold forging and Hot forming, with or without heat treatment7) Finish Treatment: Plain, Black, ZP ( white, bluish, Yellow), ... .Yongnian Xiongguang Fastener Manufacturing Co., Ltd. Is a private corporation, which is specialized in producing and selling fasteners.The factory ...