LIAOCHENG HUABAO MACHINERY PARTSCO.LTD mainly produces any kind of washers, stampingparts and some standard nuts(DIN943) andbolts(DIN933). Asfollows washers (DIN, USS, SAE, BS, NFE, JIS, KS, special kinds,etc) and stamping parts for constrcution, and marble. The surfaceare five kinds: Plain, Zinc plated, Hot DIP Galv, Yellow zincplated, Black and so on.