Q1: Can I have a sample order for led light box? A1: Yes, we welcome sample order to test and check quality. Q2: What about the lead time? A2:Sample needs 3-5 days, mass production time needs 1-2 weeks for order quantity more than. Q3:Is it OK to print our logo on led light box? A3:Yes. Please inform us formally before our production and confirm the design firstly based on our sample. Q4:How do I believe you? A4:Firstly, this our company was Verified by TüV SüD and is valid for the following period: 2018/06/05 --- 2019/06/04. Secondly, we are Gold Supplier in Alibaba, which are defined according to china laws and regulations, and which will also be clearly displayed in the full report . At last,The company can provide the OEM/ODM services for customers.