Hong Ying Screws Ind. Co. Ltd. has 25 years professionalexperience in manufacturing hexagon socket screws, and hasfirmly established reputation in terms of the expertise,capability of delivering punctually, superior qualityproducts and with reasonable prices. All of our productswere met the international standards requirements, include:ISO, ANSI, DIN, BS, etc. Hong Ying takes care of allspecial field of screws, include: alloy steel, stainlesssteel, Ti-alloy, high-strength hexagon socket screws andspecial screws. In order to assure the high quality, we notonly invest money in developing new and better productiontechniques with advanced machines and fastener equipment,but also introduce the ISO9002 quality assurance systeminto our company to help control the quality and complywith international requirement. In November of 1999, HongYing has accredited the ISO9002 quality assurancecertificate. ... 
Taiwan