求翻译：关于3200号棉布销售合同，现通知客户，你方已由伦敦渣打银行开立了第2132号保兑的、不可撤销的信用证，计总金额30000英镑，有效期至5月31日。是什么意思？

3200 cotton contract for the sale of, now notify customers, you have been opened Standard Chartered Bank in London 2132 confirmed, irrevocable letter of credit, namely, the total amount of £ 30,000, is valid until May 31.

In 3200, contracts for the sale of cotton cloth is now inform the customer that you have been by the London Standard Chartered Bank opened its first 2132, confirmer, irrevocable letters of credit for the total amount of £30,000 and is valid until 31 may.

About 3200 cotton fabric sale contract, presently informs the customer, you drew up the letter of credit by the London Chartered Bank which 2132nd guarantees cashing, cannot be abolished, counts the aggregate amount 30000 pounds, the term of validity to May 31.

On cotton, No. 3200 sales contract, inform the customer, you have been opened by the London Chartered Bank No. 2132 confirmed, irrevocable letter of credit, including total amount of 30,000 pounds, is valid until May 31.

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