1.Q:Could we send a free sample for reference? A:We can supply the sample if we have ready parts in stock, the samples are free of charge, but the customers have to pay the courier cost. 2.Q:What about the price? A:We promise the price we offer is the lowest if same application,only to enlarge the market share. 3.Q:What is the lead time? A: According to the difficulty and quantity of product processing,a reasonable arrival time will be given to you,just contact us 4.Q:How to solve the quality problems after sales? A: if there is any problem Take photos send to us,We will deal with it as soon as possible. 5Q: Are you a factory or trading company? A: We are a factory, If you are interested in our products, welcome to visit us