Haiyan Hua Sheng Import & Export Co., Ltd. is engaged in hardware, standard parts import and export trade company, located at the north side of Hangzhou Bay Bridge, 118 kilometers south of Shanghai, Hangzhou, 98 kilometers south from the provincial capital. The company as a customer first, to provide our clients high quality service! Haiyan Hua Sheng Import & Export Co., running a wide range covers all types of dry-wall screws (wall nail), self-tapping screws, chipboard screws, all kinds of special-shaped screw and a variety of hex bolts, hex bolts, angle bolts, expansion bolts and so on!