We are a manufacturer and exporter of all kinds of screws cheap and good quality, such as common nails, drywall screws, roofing screws, self tapping screws, self drilling screws and so on. We have our own factories, first class equipments and technology.
and we also export chemical products,such as causitic soda,sodium metabisulfite ,,Magnesium Sulfate,Alum Potash,Aluminium sulphate and so on.