We control the quality through monitoring step by step.
(1)We control the quality of raw material.
(2) Each shift choose some samples to test quality.
(3) Our technicians test each lot cargo before they leave factory.
(4)There will be specialist supervise loading.
(5)We will optionally choose some lot cargo to test quanlity by third party.
(6) You can ask for preshipment inspection by third party when loading.