青青草大香焦在线综合视频,中文幕无线码中文字蜜桃,亚洲日韩av无码一区二区三区,精品无码国产一区二区三区AV

Contact Us   
Search   
Your Position: Home > About > Company Culture

  Longkou bluetooth NC equipment co.,ltd on the development and research path,we persist in the theory"product is the charactor and the quality is the life of the company".Be strict with every part of our product,be creative with the advantage and developing in the innovation. 
  The company execute ISO9001 quality managment system standards.Adhering to the policy of "scientific management,careful manufacture,quality service,the pursuit of excellence".Established a comprehensive quality management system.And get recognition from customers both at home and abroad base on hight quality、reasonable price and good service.