Our company has established the quality control system seriously in accordance with ISO: 9001-2000 standard, from the purchase of the raw material to the whole production process and the product test,experimentation,product delivery and after-sale service.we have established the corresponding control procedures. Therefore, it enables the whole process of the formation of the product quality under the supervision and control, the quality inspection personnel and welders are assessed and check by the special organization. The license-holding rate for the special type of work has achieved 100%, thereby, it enables the product quality and administration work of the company to be ensured further.