专业生产内六角、梅花头、一字槽等紧定螺钉（止付螺丝）的企业。产品标准有DIN、GB、ANSI、ISO、JIS等，公司引进多条台湾螺丝成型设备及模具。材料采用进口不锈钢：304HC、302HQ、316L及国产优质钢材、合金钢、铜等。规格齐全，长度不限。并承制高品质要求的非标准件。产品质量、外观可以和同类进出品产品相媲美。 

Rui'an Din Fastener Co.,Ltd is an enterprise, which specializes in producing,and dealing with different kinds of fasteners such as hexagon socket set screws, bolts,matched nuts, washers etc .We follow the standard of DIN, GB, ANSI,ISO,and JIS and can fulfill unstandard assemblies in accordance with the requirements of customers We import many devices and molds from Taiwan, and the products are made of lmported stainless steel 304HC,302HC,302HQ,316L and quality steels,alloy steels made in China. We have various specifications of fasteners .The outlook and the quality can be compared favorably with the same type of import.