女人被狂C躁到高潮视频,全免费A级毛片免费看视频,亚洲avav天堂av在线网毛片,国产精品国产三级国产an

浙江九鋼金屬制品有限公司

innovation

Technological Innovation

Release time:2016-06-01 09:22:05

The company has laboratories, R & D centers belonging to Deqing County, with improved detection equipment, to ensure the quality of customer needs. The company currently do coal industry analysis, physical and chemical analysis billet, flat physical and chemical analysis. Company into the factory requires billets, coal and other materials 100% qualified, all the testing requirements for flat steel factory, 100% in line with customer demand. Companies track shoe production and inspection equipment.
The main laboratory equipment

Hydraulic tensile testing machine


Notch projector (impact test）
Three-element analyzer
Constant temperature oven
Carbon and sulfur analyzer
Impact Tester