A: Domestic individual investors who participate in the China crude oil futures market shall comply with the relevant provisions of the Rules for the Management of the Suitability of Futures Traders of Shanghai International Energy Trading Center, including having full civil capacity, basic knowledge of futures trading, understanding the relevant business rules of the energy center, passing relevant tests and having historical trading experience, and the balance of available funds in the margin account five working days before applying for trading code shall not be less than RMB500,000 or equivalent foreign currency. There are no serious bad credit records or measures taken by the competent regulatory authorities to prohibit the futures market, and there are no laws, regulations, rules and business rules of the energy center to prohibit or restrict futures trading. In addition, it is necessary to abide by China's laws and regulations and the business rules of energy centers, and natural persons cannot participate in the physical delivery of crude oil futures.