Issuing Letter of credit

In actual business activities, a letter of credit is issued, but the bank's credit limit is not enough or the money is not enough.How to do?drop the chance?
 We can issue letters of credit for our customers, so that our customers can succeed without losing opportunities.

Related materials required:
1. Contract for purchase and sale of goods
2, the record form (if you have not been in the directory).
3. Certificate of duty exemption (if the equipment is needed, if imported raw materials are not needed)
4. The approval of the foreign economic and Trade Commission (if the equipment is needed, if imported raw materials are not needed)
5. Import license (determined by imported goods)