精品久久一区二区_黄色片网站_一二三四区视频在线观看_日韩福利视频导航_欧美九九九_偷拍一区二区三区

Four cycle quality system, perfecting management process

Weillen always insist on service concept of quality and innovation, the basis of the needs of customers and the quality policy, guidelines, formulated adaptability, effectiveness of the management system, and “make the best possible use of men and material” to planning control quality costs, and continuously improve the enterprise standard, promote customer satisfaction, to create the perfect quality management process.

Accurate and efficient detection of precision equipment

In addition to the ISO standard quality assurance system and complete laboratory, with green environmental protection as the design concept, with reference to international and domestic standards, to create a new generation of environmental protection products.