1.Are you a factory or trading company ? We are factory and we have a trading department . 2.What is your delivery condition? We accept EXW, FOB, CIF, etc. You can choose the most convenient or most economical way for you. 3. Would you send me a product sample before I place an order? We offer free samples but buyers should pay the transportation charges. 4.What is the lead time for sampling and mass production? Generally, 1-3days for sampling, and 20-45days for mass production. 5.How do you inspect your goods？ Both semi products and finished goods are 100% inspected. They are double checked before shipping.