Shandong Doujin Machinery Engineering Co., Ltd.

International Industry Category: Construction Industry

International Industry Major Class: Building decoration, renovation and other construction industries

International Industry Middle Class: Building decoration and renovation industry

International Industry Sub Class: Building curtain wall decoration and renovation

Construction machinery and equipment、 General machinery and equipment、 Pipeline construction machinery and equipment、 Power generation equipment、 welding equipment、 lifting equipment、 Mining machinery and equipment、Oil drilling equipment、 Technical development and consulting services for construction engineering machinery and equipment、 Assembly、 Processing、 Sale、 lease、 repair， Import and export of goods and technology； Pipeline directional drilling crossing project（ Trenchless）、 Petrochemical Engineering、 Municipal public works、 Construction Engineering、 Waterproofing and anti-corrosion engineering、 Engineering labor subcontracting（ Excluding labor dispatch）； Metal structural parts、 Mechanical accessories、 Electrical machinery、 cable， Hardware products、 Labor protection products、 office supplies、 Craft gifts、 agricultural and sideline products、 Hydraulic components、 Pneumatic components、 Building Materials、 New Chemical Materials、 Energy and Environmental Protection、 Lubricant sales（ Projects that require approval according to law， Business activities can only be carried out after approval from relevant departments）

Chinese Industry Category: Mechanical equipment

Chinese Industry Major Class: Special equipment manufacturing

Chinese Industry Middle Class: Manufacturing of special equipment for mining, metallurgy and construction

Chinese Industry Sub Class: Construction machinery manufacturing