The main production of a variety of standard parts, following a non-standard and stampings, million tons of annual production capacity, products widely used in different areas of electric power, automobile, railways, electrical, marine and building decoration. Category: Screws (bolts), nuts, washers, pins, rivets and the like. Surface treatment: galvanized, dacromet, Teflon and the like. Product rating: Metric screws (4.8,8.8,10.9,12.9 level) metric nut (4,6,8,10,12 level)