Product instruction:My factory is professional manufacture in China.We supply(Bolts,Thread Bar,Wooden Screw,Anchor Furniture Screw,Nuts,Washer and Non-standard Parts) If you are interested in these products,Pls don't hesitate to contact me.I am not only a sales man,but also a worker.So we may discuss about some professional knowleadge.Haiyan is also the family of fastener,we survive on quality ...