Firstly, as we know, the sample is needed, we need to know the quality of product from supplier. So we need to ask for a sample. We can test the quality from it. And we can have a record of the quality of product.
Secondly, you need to let the sales know your plan to purchase from China or anywhere. Such as, it’s for wholesale or project. You can show more info about the plan.
Thirdly, it will be recommended to send your business card. Because it’s very important. The sales from supplier can