- Business
- Longkou Union Chemical Co., Ltd. manufactures and sells high-performance azo organic pigments and extruded water-based inks in China and internationally. The company produces yellow, red, and orange azo organic pigments along with squeeze base inks; its products serve applications in inks, coatings, plastics, and cultural and educational supplies. Founded in 2007 and headquartered in Zhuyouguan Town, Longkou, Shandong Province, China, Longkou Union Chemical operates primarily in the specialty chemicals sector with approximately 388 employees and focuses on domestic and export markets. In 2025, the company announced plans to invest RMB120 million in Zhuoguangrui Technology (Shanghai) Co., Ltd. to expand into precision optics and semiconductor projection exposure machine industries, subscribing to 19.35% of the target company's enlarged registered capital; it is also developing new semiconductor material products and preparing the Qichen Semiconductor production line for future capacity release. Longkou Union Chemical functions as a subsidiary of Longkou Sunshine and maintains recognition as a high-tech enterprise with honors including Shandong Province Famous Trademark and Famous Brand.