I checked your email, but I think CWPC will not agree about the payment of USD 200,000 paid to Barclay Bank, because this payment should not be paid by CWPC, itn should be handled by your company and Barclay Bank, and CWPC will provide assistance.
Once you can open the SBLC and get confirmed by BOC, BOC will provide loan for your project, CWPC will only take the amount for EPC, the rest money will be pay back to you.
For example, if the Loan is 100 million USD, the EPC will only 50 million USD, the rest money will pay to you whatever you do.