Q1: Can we get a sample for testing? Yes, the sample will be free but not include the courier fee. Q2: what is the terms of payment? 30% T/T in advance,70% balance against the copy of B/L and L/C Q3: Can you provide OEM service? We can provide OEM service. It will depend on your requests; your logo will be customized on our products. Q4: Packaging and shipping? Inner plastic bags, Outer carton boxes. or according to your request.