Bolt MFG. Trade Ltd. Haiyan is a professional fastener manufacturer and exporter ,which is the China?s largest fastener production base.HaiYan,ZheJiang.Main product Standards: ANSI, DIN, ISO, AS, BS, JIS,Non-standard fasteners.Mainly markets: U.S.A., Europe, Canada, Brazil and Australia,etc.Our quality control system has passed the ISO 9001:2008. We are equipped with a full range of advanced fastener testing equipments and also have several experienced engineers and quality controllers, which can ensure that the product quality is effectively controlled in the whole production process. Effective inspection report with corresponding material certificate will be provided for each product. We promise to all clients that we provide products with high quality, competitive price, strictly on time delivery and satisfactory after-sales service.Sincerely hope you become our trading partner. Let?s cooperate and create better future. We thank all regular and new customers for your past and future supports.