宏盈公司成立於1974年，初期為沖壓華司以及熱鍛生產籬笆用掛鉤螺絲的製造商，1991年開始轉型生產DIN 444單眼螺絲，1996年正式引進多模冷鍛打頭機，是台灣少數具有冷鍛及熱鍛專業技術的生產商。並於2009年成功開發鍛造不鏽鋼JIS B1168/1169吊環螺絲及吊環螺帽。主要市場遍及歐洲、日本以及美國，並於2008年獲得ISO 9001國際品質保證制度認證。

Fong Yien was established in 1974 as a manufacturer of pressed washers and hot forged screw hooks for fences. In 1991, Fong Yien was transformed into the specialty fastener and DIN 444 eye bolt manufacturer. In 1996, we introduced Multi-stages Bolt Former and became one of the few manufacturers had dual capability for cold headed and hot forged productions in Taiwan. In 2009, the company have grown through innovation and successfully developed niche products: Drop forged JIS B1168/1169 eye bolts and eye nuts.