Our company established in 1990, is a professional fastener manufacturing and export enterprise in Ningbo, Zhejiang.The major products are carbon steel, alloy steel bolt and nut, stainless steel bolts and thread rod.According to ISO, ANSI/ASME, SAE, JIS,AS and BS.It is that high structure bolt such as EN14399, A325, A490 is one of our advantages.we strictly implement the ISO9001 quality system.