Yes, we can offer free sample, but you should afford the shipping cost. 

      Can I add my logo on the products?

      Yes, OEM and ODM are available for us.

      How can I get the after-service?

      We will send you the free spare parts if the problems caused by us. If the products can not be

      repaired, we will send you new free quantity together with next order.

      Do you have inspection procedures for products?

      our products100% self-inspection and testing before packing.

     Can I have a visit to your factory before the order?

     Sure,welcome to visit our factory.

     Here is our factory address: #7 Tongyi Industrial Area, Zhongshan City, Guzhen Our factory is

     near Guangzhou airport, and we can pick you up in the airport, Hotel booking service is available.

     How about delivery time of the order?

     15-20 days after getting deposit.

     How about payment terms?

     20%-30% deposit, the rest payment balance against B/L. If have regular order and good order

     quantity, we can give delay payment.