江蘇聯誠精密合金科技有限公司成立于2020年9月17日，由江陰鑫聯金屬制品有限公司的各位股東和山東聯誠精密制造股份有限公司合資成立。2021年4月，江陰鑫聯金屬制品有限公司所有設備、生產、銷售、人員等已全部轉移至江蘇聯誠精密合金科技有限公司，現江蘇聯誠精密合金科技有限公司將作為主體對外。
公司在江陰市新橋鎮建有兩個生產廠區，總占地面積6萬多平方米，主要生產汽車配件、電力金具配件、食品機械（制冰機）配件、油井配件、工程機械配件等，產品主要出口歐美市場。
Jiangsu Liancheng Precision Alloy Technology Co., Ltd. was established on September 17, 2020 by the shareholders of Jiangyin Xinlian Metal Products Co., Ltd. and Shandong Liancheng Precision Manufacturing Co., Ltd. as a joint venture. In April 2021, all equipment, production, sales and personnel of Jiangyin Xinlian Metal Products Co., Ltd. have been transferred to Jiangsu Liancheng Precision Alloy Technology Co., Ltd., and Jiangsu Liancheng Precision Alloy Technology Co., Ltd. will now be the main body.
The company has two production plants in Xinqiao Town, Jiangyin City, covering a total area of more than 60,000 square meters, mainly producing auto parts, power fittings, food machinery (ice maker) parts, oil well parts, engineering machinery parts, etc. Products are mainly exported to European and American markets.