Shandong Main Chemical Co., Ltd. was established in 2018 in the Free Trade Zone of Jinan City, Shandong Province, primarily engaged in the research, production, and sales of pulp and paper auxiliaries, water treatment auxiliaries, and mineral smelting auxiliaries, and has obtained ISO9001 management system certification.

Shandong Main Chemical Co., Ltd. owns two wholly-owned production subsidiaries: Shandong Main New Materials Co., Ltd., located in Zhenxing Avenue of the Provincial Chemical Industrial Park in Yucheng City, Shandong Province; and Guangdong Zhaoqing Yinhu New Materials Co., Ltd., situated in the Industrial Park of Deqing County, Zhaoqing City, Guangdong Province.

Shandong Main Chemical Co., Ltd. primarily supplies the following pulp and papermaking products: coating enhancers, PVA substitutes, food-grade paper strength improvers, cationic starch substitutes, tear resistance improvers, adhesive control enzymes, hydrogen peroxide decomposing enzymes, APMP chelating agents, defoamers, scale inhibitors, and AKD sizing agents.