2. Luxi (China well-known trademark, China famous brand product, large state-owned chemical enterprise group, national fertilizer market leading enterprise in production industry, Shandong Luxi Chemical Group Co., Ltd.).
3. Yihua (China well-known trademark, one of the largest phosphorus chemical manufacturers in China, listed company, one of the most influential enterprises in China petrochemical industry, Hubei Yihua Group Co., Ltd.).
4. Stanley (China famous trademark, high-tech enterprise, Shandong famous trademark, Shandong famous trademark, one of the largest compound fertilizer production bases in China, Stanley Fertilizer Co., Ltd.).
5. meifeng (China well-known trademark, China famous brand, China nitrogen fertilizer industry iconic brand, Sichuan famous brand, China Petrochemical Group holding listed company, Sichuan meifeng Chemical Co., Ltd.).
6. Xiyang (a famous trademark in Liaoning Province, a famous brand in Liaoning Province, one of the largest production bases of sulfur-based compound fertilizer in China, an iconic brand of compound fertilizer industry in China, a top 500 Chinese enterprise, and Xiyang Group).
7. Yuntianhua (founded in 1974, China well-known trademark, China well-known trademark, one of the most competitive brands in the market, Yunnan famous trademark, listed company, Yuntianhua Group Co., Ltd.).
8. Fengxi (China well-known trademark, Shanxi famous trademark, large coal chemical enterprise group, one of the largest chemical enterprises in Shanxi Province, Shanxi Yangmei Fengxi Fertilizer (Group) Co., Ltd.).
9. Tianji (a well-known trademark in China, a famous brand in China, one of the largest high-efficiency compound fertilizer production bases in China and one of the most valuable brands in China, Shanxi Tianji Coal Chemical Industry Group Co., Ltd.).
10. Jin Yimeng (starting from 1975, China famous trademark, key high-tech enterprise of national torch plan, famous brand of Shandong province, China top 500 enterprise group, Jin Yimeng Group Co., Ltd.).