... : ETL,CE,TUV,SAA,C-Tick.3.Q: Where is your factory located? How can I visit there? A: Our factory is located ... service. We have done many OEM brands 5.Q: How can I get some samples? A: 1, We are honored to offer ... you samples. 2, Regarding the samples cost & courier cost: You can pay by T/T, western union, Paypal, we will arrange ...