... time if there is any question on our production.FAQ:1.HOW CAN I GET SAMPLES? 1) We are ... . 2) Regarding the courier cost: you can arrange a RPI (remote pick-up) service upon Fedex, UPS, ... direct to your local carrier company. 2.HOW DOES UR FACTORY DO REQARDING QUALITY CONTROL?Quality is priority! ... their packing box, for patent protection purpose, a letter of attorney (letter of authorization) shall be ...