Does Changzhi Sanyuan Coal Mine insure contract workers?

Changzhi Sanyuan Coal Mine provides insurance for contract workers. According to the relevant public information in this country, according to the laws of China, any employer registered in Chinese mainland Administration for Industry and Commerce is obliged to pay insurance for its employees. Contractors are also employees of the company. Shanxi Sanyuan Coal Industry Co., Ltd. is a joint-stock enterprise controlled by Shanxi Coal Transportation and Marketing Corporation. The production equipment of this enterprise is perfect, and all employees pay insurance.