... Our company is the leading manufacturer in the field of metal product, such as all kinds of non-standard fastener ... and its Accessories,especially various liner bolts,nuts,gaskets and washer for more than 10 years.We have powerful production ... bolts,nuts, non-standard etc1) Size:According to customers' requirements2) Material: Carbon steel, stainless steel, brass and etcMainly Carbon steel3) Packing ...