1. There must be a contract and agreement, and both parties must confirm their signatures and seals

2. The contract must specify the amount of deposit to be paid in the first installment, and the amount to be paid after mid-term delivery. How long does it take to pay off the final installment?

3. Quality requirements, production according to the samples you provide, detailed delivery location, how many goods will be delivered in the first batch per day or how many days from the order date, if quality problems occur resulting in rework or scrapping, the responsibility will be Which party, if the delivery is delivered by mistake, multiple points of processing fees will be deducted in one day, etc., it must be clearly stated

Brother, I wish you success