Q1. Can I have a sample order? A: Yes, welcome sample order to test and check quality. Q2. What about the lead time? A: Sample within 24 hrs, mass producting time needs 5-20 days. Q3. How do you ship the goods and how long does it take to arrive? A: We usually ship by DHL, UPS, FedEx or TNT. It usually takes 3-5 days to arrive. Airline and sea shipping also optional. Q4. Is it OK to print my logo on Led High Bay Light product? A: Yes. Please inform us formally before our production and confirm the design firstly based on our sample. Q5: Do you offer guarantee? A: Yes, we offer 1 years warranty. Definitely, we’re looking for long time mutual benefit business not one-time business. We do 100% in house quality inspection before shipping. We’ll re-make at our own cost for any quality problems. How to contact us? Send your inquiry details in the below, we will reply you immediately. Click "Send" now ! Thank you!