<acronym id="comqg"><center id="comqg"></center></acronym><sup id="comqg"></sup>
<acronym id="comqg"><center id="comqg"></center></acronym><sup id="comqg"><center id="comqg"></center></sup>
+86-400-1188-260
Home ABILITY Business Line Mechanical Parts

Electrical??Components

Related products and services
Including all electrical and electronic products of metal, alloy parts; service object includes electronic parts and components manufacturers, manufacturers; electrical and electronic products distributors, end-users, trade buyers
Test items
1, the mechanical properties: impact, tensile strength, hardness, size, holding load, yield strength, elongation, the hydrogen embrittlement test etc.
2, chemical composition analysis, Fe, Si: Cu, Mg, Zn, Mn, Ti and other elements
3, microstructure were: carburizing layer, microstructure
First Pre Next Last 6 / 6
小说雯雯在工地被灌满精黑人太大太长疼死我了 怡红院成永久免费人视频 肉蒲团之桃花深处 亚洲产在线精品亚洲第一站 粗大挺进朋友的未婚妻