Go to the Administration for Industry and Commerce to expand the business scope, register foreign trade operators with the Commerce Bureau, register self-declaration units with the Customs, register with the Entry-Exit Inspection and Quarantine Bureau, register at the electronic port in China, open foreign exchange accounts for domestic institutions' current accounts and write off foreign exchange income (export) with the Administration of Foreign Exchange, open foreign exchange accounts with banks, and register export tax rebates with the local national tax until they have the right to import and export, so that they can carry out self-operated import and export business.

When applying to the foreign exchange bureau for the registration of verification of export proceeds, materials shall be provided:

1, unit letter of introduction, application;

2. The original and photocopy of People's Republic of China (PRC) Import and Export Enterprise Qualification Certificate or People's Republic of China (PRC) Foreign Investment Enterprise Approval Certificate or People's Republic of China (PRC) Taiwan, Hong Kong, Macao and Overseas Chinese Investment Enterprise Approval Certificate;

3. Business license of enterprise legal person (copy) or business license of enterprise (copy) and its copy;

4. Original and photocopy of People's Republic of China (PRC) organization code certificate;

5. Original and photocopy of the customs registration certificate;

6. Other materials required by the foreign exchange bureau.

You can also consult the local safe, and you can go to official website to inquire about relevant business guides.