Sunshine Oil Sands Co., Ltd., Shandong Jinling Mining Co., Ltd. and Zhejiang Mining Co., Ltd. are all listed companies that can trade corporate bonds with the approval of the stock exchange authorized by the State Council. According to the enterprise survey, the business scope of these three companies is the production and operation of oil sands, so these three companies are all listed companies operating oil sands.
Companies operating oil sands should pay attention to field visits to factories, requiring low equipment failure rate and after-sales guarantee.