东莞市贯虹五金科技有限公司是国内首家采用先进冷镦技术，专注于生产和销售PEM标准压铆螺母的企业。经过十余年的专注发展，贯虹五金凭借设计及生产冷镦模具的经验，大胆研发、设计压铆螺母模具。今日的贯虹，公司占地面积12000平方米。公司现已通过ISO9001国际质量管理体系认证，2017年被评为东莞市守合同重信用企业，2018年被评为广东省高新技术企业。公司拥有专业的技术研发团队，由多位专业知识扎实、行业经验丰富的工程师组成，可满足客户定制化需求，他们攻坚克难，让贯虹五金不断地被新老客户认可。规划完善的生产车间及20多台多工位成型设备、数十台螺纹加工设备。对每一个生产环节，均执行严格的品质控制。 公司生产的压铆螺母材质分为碳钢和不锈钢，规格从M2-M12，以及品种多样的非标定制产品均可满足汽车、电子、电器、机械、玩具等行业的需求，成为钣金类产品的首选方案。

"Dongguan Guan Hong Hardware Technology Co., Ltd. is the first one by advanced cold forming technology, focusing on the production and sales of PEM standard self clinch nuts in China. After eight years of development, focus on the Guanhong hardware with the experience of design and production of mould, bold research and development, the design mould of self clinch nuts. Today's Guanhong, has more than 20 sets cold forming machine, dozens of tapping machine, mould workshop. Our Self clinch nut, from carbon steel to stainless steel, from M3 - M10, as well as a variety of non-standard custom products can meet the automotive, electronics, electrical appliances, machinery, toys and other industries demand, be the first choice of the sheet metal products. In order to expand the development of the enterprise, the Guanhong hardware in October 2014, invest about RMB5million  in kunshan city, jiangsu province, build up the factory of kunshan K&H auto parts co., LTD., he will continue to be the continuation of guanhong’s enterprise purpose, to ensure the product quality as the top priority, higher technology products, expanding the scope of the enterprise's products .At the same time, he will use the advanced parts molding machine, advanced cold heading technology, focuses on the development full rivet nut (M3 - M12), cold forming self clinch nuts, such as the self clinch screw, sheet metal products. Enterprises will develop more auto parts, special-shaped parts, titanium products, over the next two years will be heavily into auto parts market, better service and meet the needs of our customers We will continue adhering to the principle of innovation, focus, quality, to develop more quality products, enhance the value of the company, to build integrated production and marketing of high-end auto parts industry in the country."