国产美女牲交视频,欧美不卡视频一区发布,最近2019年好看中文字幕视频,久精品国产欧美亚洲色aⅴ大片

Determined to develop the manufacturing industry, work hard, continue to discover and create more advanced. Attach importance to building an information management platform. Give full play to the advantages of people and machines to ensure effective control and stability of the manufacturing process. Provide products and services to the market with the highest standards. Develop yourself in continuous improvement.

The company mainly produces electronic digital calipers series; electronic digital depth gauge series; calipers with watch series and other kinds of general and specialized non-standard measuring tools with electronic digital display and watch. At present, the company's annual production scale has reached 2 million sets. More than 90% are exported to more than 30 countries and regions including Europe, America, Asia and Africa.