Ningbo yi pian hong fastener Co., Ltd is a professional fastener manufacturer and exporter of China fastener, also is one member of China Fastener Association. We are proficiently engaged in manufacturing various kinds of high strength bolts, nuts and thread rods with a yearly capacity of 30,000 tons and an annual turnover of 300 million Yuan. Our products include standards of ANSI/ASTM, DIN, BS, ISO, GB, JS, etc, which are mainly applied to the fields of high strength tight firmware and petroleum pipes' valve. In the product surface treatment process, we can almost meet all surface treatment requirements, such as Dacromet, Geomet, hot-dip galvanizing, blackening, galvanizing ,ruspert and so on. In terms of product inspection, We have a dedicated testing department,we strictly follow the international testing standards and strictly control the quality of each product. Before shipping to customers, we will conduct strict inspections on the products.Our products are mostly exported to Europe, North America, the Middle East and Southeast Asian countries and regions. We receive great acclaim from our clients at home and abroad because of the fine quality of our products and our good credit.