HEATKEYS

MARYLAND METRICS - Your one-stop METRIC HARDWARE source offers over 1,200,000 METRIC sized items from over 900 suppliers, worldwide: Fasteners, Hand Tools, Cutting Tools, Measuring Tools, Hydraulic & Pneumatic Fittings & Tubing, Oil Seals, O-...

真空解决方案供应商,真空设备专业维修站,北京海乐威科技发展有限公司作为德国莱宝公司（Leybold）、美国英福康公司(INFICON)的代理，为客户提供最佳的真空配备方案。我们可提供给您的设备有各种真空泵、机械泵、活塞式干泵、膜片泵、新型油扩散泵、复合分子泵、磁悬浮分子泵、罗茨泵、低温冷凝泵、中高机组、涡轮风机、镀膜机、各种测量设备、阀门和法兰元件、残余气体分析仪等

CADTutor provides free video tutorials, articles, downloads and a busy community forum for users of AutoCAD and associated software.

Tools and Basic Information for Design, Engineering and Construction of Technical Applications

W&O is the largest supplier of marine piping, valves, and fittings in the US.

ANSI flanges, DIN flanges, UNI flanges, JIS flanges, EN 1092-1 flanges, BS 4504 flanges, BS 10 flanges, SABS 1123 flanges, GOST flanges, KS B4308 flanges.

We provide quality forged steel flanges built to a variety of standards, specifications. From DIN to ASTM to anchor flanges, we will make it for you!