1.How about Mingkeda Industries Co.,Ltd? A:Founded in 1984,Mingkeda lies in Jiangmen City,China,a professional manufacturer lighting. Now our main products are led desk lamps for reading and writing. 2.Why you choose Mingkeda? A:As quality is our culture,we provide good quality and best service to our customers.With 30 years experience,we believe you will like our lamps. 3.Where are your products sold? A:Many customers like our lamps,we have sold to USA,France,Germany,Poland,Japan,Australia and so on. 4.What certificates do you have? A:CE,UL,EMC,LVD,PSE,RoHs,TUV and so on. 5.What is difference between Direct light source and Edge-Lit light source? A: The feature of direct light source is high light efficiency and high lumen, while the edge-lit, the light is much more comfortable and good for your eyes . 6.How to deal with the faulty? A: Our products are produced in strict quality control system and the defective rate is normally less than 0.5%. During the guarantee period, For defective batch products, we will repair them and resend them to you or we can discuss the solution including re-call according to actual situation.We also carry out all tests during the production of large quantities .