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A professional mechanical forum. Topics in professional fields such as mechanical design and manufacturing, mechanical CAD software, pump valve pipelines, molds, CNC, electromechanical, automation, industrial control, special processing, engineering materials, etc

China Machinery Community Mechanical Design, Machining, Design Software, Mechanical Engineer, Equipment Management, Welding, Hydraulic, Casting, Sealing, Measurement, Engineering Machinery, Powder Metallurgy, Bearings, Gears, Pump Valves, Industrial Automation

China Machinery CAD Forum

Free courseware, courseware download, high school exam questions, teaching lesson plans, paper plans, official documents

Huaxia land planning, land consolidation, development and reclamation, mineral resource reserves for mineral processing, geological specifications, geological software, land valuation, secondary survey, land evaluation, grading and grading, land job recruitment, land reserves, primary development, land bidding, auction and listing, land transfer, land transfer, cadastral registration, remote sensing, surveying and mapping, detailed land investigation, land survey, overall planning, utilization planning, feasibility study preliminary design budget, basic geology, mineral geology, geophysical exploration, geochemical exploration, Hydraulic and environmental geology

The Mars Era Training Base is the earliest established animation training institution in China, with the largest teaching scale, the most comprehensive curriculum, and the strongest professionalism. It has trained tens of thousands of elite animation talents both domestically and internationally, making outstanding contributions to the development of China's animation industry. At present, except for the Tibet Autonomous Region, there are students from the Mars era in various provinces across the country, including Hong Kong, Macao, and Taiwan regions, as well as countries such as Singapore, Malaysia, and Australia. And has been awarded the awards and honorary titles of "China's Top 10 CG Training Institutions" and "Most Popular Training Institutions" for many consecutive years. The independently renowned brand "Martian" series of CG textbooks has a history of over ten years since its establishment in 1997, and enjoys high popularity in the industry.

Architecture, Structure, Construction, Design, Technology, Management, Contract, Budget, Cost, Consulting, Software, English, Information, Safety, Supervision, Examination, Tendering, Bidding, Planning, Electrical, Plumbing, HVAC, Specification Free Download, Atlas Free Download, Thesis, Construction Industry Free Information Forum

CO Civil Online is positioned as a professional database and technical exchange platform in the civil engineering industry, providing professional services and more business opportunities for engineers and enterprises in the civil engineering industry.

Tiangong.com, my construction portal, my work community, and the largest construction portal website in China