FAQ https://www.usg.world/post/business-with-china-process-and-timing-of-export-vat-refund

Set up your own Hong Kong Limited Company within 1 business day https://www.usg.world/post/corporate-account-in-china-foreign-currency-restrictions-and-international-transfers-in-china
After the company is registered, we can help you to open an account at Neobanks (e-wallets) or Traditional banks like HSBC and OCBC Bank https://www.usg.world/post/starting-business-with-china-social-insurance-and-tax