... countries, such as Europe, the Middle East, Africa, Asia, etc., and at the meantime we process OEM for ... carriage assembly,etc Quality Guarantee:1.We have the strong advantage of quality and cost control, ... ISO9001 quality system. 2. We can ensure the quality can meet professional test as Black Test, ... products are 100% pre-tested prior to leaving the factory, Defective rate below 1%. Payment terms: ...