supply large quantity drywall screw at fair price and the quality is what we sell for. Zhejiang Sansega Industrial Co., Ltd./ Sharpower Fastener, is a professional manufacturer which specializes in production of various kinds of fasteners.The Company has the advanced Taiwan equipments and production lines,with our strict quality management and our persistent efforts, our products have been sold in the whole country and exported to several areas and countries in Europe, America, Australia, South Africa, Middle East and Africa etc,. We have built up a wide market and received support from numerous customers.