1, Shandong Mining Machinery Group Co., Ltd.: This enterprise is one of the leading mining machinery manufacturers in the world, mainly producing and selling mining machinery equipment and parts, with an annual output value exceeding 10 billion yuan.
2. Shandong Haihua Co., Ltd.: This enterprise is one of the largest alkylbenzene producers in China, mainly engaged in the production and sales of fine chemicals, with an annual output value of about 6 billion yuan.
Shandong Gold Group Co., Ltd.: This enterprise is one of the largest gold producers in China, mainly engaged in gold mining, smelting and processing, gold and silver sales and other businesses, with an annual output value of about 4 billion yuan.