Shanghai Renzhao Standard Parts Co., Ltd is a fastener manufacturer integrated with design, production and sales. Established in 2001 with a brand history of more than 20 years, the company possesses production base of 33000 square meters and built-up area of 13000 square meters. With annual production capacity of more than 24,000 tons, the company offers characteristic products such as ANSI B18.2.1 hex cap screws with Gr.2, 5, 8; DIN-933 & DIN-931 with Class 4.8, 5.8, 6.8, 8.8, 10.9; nuts with Class 4?5?6?8?10;etc. We offer the fullest variety of fasteners with annual sales volume of 20 million dollars., and our clients including US, Canada, Europe, Russia, Ukraine, Australia, South-East Asia, and South America, etc. The major business scope of the company includes manufacturing, processing and sales, providing fasteners of 11 types and 30 thousand specifications. Major products include standard fasteners such as DIN?ASME/ASTM?ISO?BS?JIS?NFE?GB and non-standard fasteners. The materials include carbon steel and alloy steel. The products we offer include bolts, screws, nuts, flat washers, spring lock washers, and many other hardware products made of carbon steel, alloy steel. For finishing, we can provide black oxide, zinc plating, mechanical galvanization, hot dip galvanization, Dacromet, and others. Our company has obtained ISO9001:2000 quality management system certificate, as well as registered trademark issued by United State Patent and Trademark Office. We have complete sets of equipments from raw material processing, production, heat treatment, surface processing to packaging, to ensure that every procedure from material inflow to finished products can be supervised. We have formed efficient quality management principles complying with international quality management principles as well as our own operations.