What is usual payment terms?

What is usual payment terms?

We mainly accept following payment methods, and will give different final prices accordingly.

1) By T/T. 30% as deposit, and balance 70% before shipment.

2) By irrevocable L/C at sight.

3) By irrevocable time L/C, and usance varies from 30, 60, 90, 180 days, even longer.

4) D/P.

5) D/A.

6) O/A.

All these payment depends on different countries, markets, clients, and orders, etc, and it does not mean we can accept these payment for every clients.