Kunshan Organic Chemical Factory Co., Ltd. (KOC), established in 1976, is one of the earliest producers dedicating to solvent dyes in China. It was merged with Kunshan Yuanyuan Plastic Pigments Co., Ltd. (KYY, founded in 1992) in 1999, who is a reputed colorants producer and distributor in China, by which the merged company is regarded as one of the biggest manufacturers and distributors of solvent dyes in China. In year 2009, the company moved production facilities from Kunshan to Jiujiang City, Jiangxi Province, by which, production capacity was enlarged dramatically. In year 2018, the company started the construction of the oversea production facility in Myanmar, and it was put into use in 2019 successfully.

Presently, the company has four facilities in China, headquarter in Kunshan City, Jiangsu province, some 30km away to Shanghai, one sales branch located in Guangzhou City, Guangdong province, domestic production facility in Jiujiang, Jiangxi province, and oversea production facility in Myanmar.

As a pioneer of plastics coloring in China, the company kept going forward by exploring new colors for customers from foundation. With some 40 years efforts, the company aims to provide customer-oriented solutions from his full range colorants with brilliant lightness, strong tinting strength, good light fastness and excellent heat resistance as well.