Kunshan Organic Chemical Plant Co., Ltd. (KOC), established in 1976, was one of China's early producers of solvent dyes for plastics. Kunshan Yuanyuan Plastic Pigment Co., Ltd. (KYY), founded in 1992, is a renowned Chinese manufacturer and distributor of colorants for plastics. KOC and KYY merged in 1999, making the company one of China's leading producers and distributors of colorants for plastics. In 2009, the company relocated its production base from Kunshan, Jiangsu Province to Jiujiang, Jiangxi Province, significantly expanding its production capacity.

Currently, the company's headquarters is located in Kunshan, Jiangsu Province, approximately 30 kilometers from Shanghai, with a branch office in Guangzhou, Guangdong Province, and a production base in Jiujiang, Jiangxi Province.

As a pioneer in China's plastic colorant industry, the company has been committed to continuously developing new color varieties for its customers since its inception. After more than 40 years of dedication, the company remains focused on providing customers with a range of plastic colorants that are vibrant, highly color-strength, lightfast, and heat-resistant.