1) Strict 100% inspection of raw material before production 2) Lab testing in radom material and do the production sample for production department 3) 100% PCB inspecting and tube spark before assembling 4) 100% 2hrs aging testing 5) On-site quality testing before packing 6) QA testing in radom lab before shippment. Colour box or blister Export standard kraft carton Or according to your requirement.