温州市三力紧固件有限公司是一家专业生产重型机械紧固件的股份制企业，公司前身为瑞安螺丝厂，体制改革，设为本公司。公司已通过ISO9001-2016国际质量管理认证.ISO/TS16949-2016国际质量体系认证。系紧固件行业协会会员单位，公司标识为：全国紧固件标准化技术委员会指定的制造、销售标志——DSL。

Wenzhou Sanli Fastener Co., Ltd. is a joint-stock enterprise specializing in the production of heavy machinery fasteners, the 88 year system reform, the establishment of the company, the company through the ISO9001-2016quality system certification and iso/ts 16949:2016 quality system certification, Fastener Association member units. The company's products are manufactured and sold by the national fastener Standardization Technical Committee, --DSL.