Tongyu Heavy Industry Co., Ltd. Entered “top100 Enterprises For New And Hi-tech Industry’’.

Tongyu Heavy Industry Co., Ltd. Entered “top100 Enterprises For New And Hi-tech Industry’’.

Commendation for science and technology innovation and talent work of Tongyu Heavy Industry

Commendation for science and technology innovation and talent work of Tongyu Heavy Industry

Large electroslag remelting steel ingot

Large electroslag remelting steel ingot

25MN CNC hydraulic straightening machine

25MN CNC hydraulic straightening machine

Hitachi wheel forgings and manufacturing process

Hitachi wheel forgings and manufacturing process

New technology for ultra-high pressure forging large diameter thick-walled seamless steel pipe

New technology for ultra-high pressure forging large diameter thick-walled seamless steel pipe

Forging die and forging process for high-angle tapered hole forgings

Forging die and forging process for high-angle tapered hole forgings

Free forging hydraulic press large diameter inlet system

Free forging hydraulic press large diameter inlet system

Rack steel processing and manufacturing method

Rack steel processing and manufacturing method

Wind turbine main shaft forming process

Wind turbine main shaft forming process

Straightening machine intelligent control system

Straightening machine intelligent control system

Numerical control elevator guide planer

Numerical control elevator guide planer

Large diameter deep hole nesting rod

Large diameter deep hole nesting rod

Slag flue gas drying system equipment

Slag flue gas drying system equipment

30 tons CNC three-phase bottom-type electroslag furnace

30 tons CNC three-phase bottom-type electroslag furnace

Manufacturing process of hard bainite structure gear on surface

Manufacturing process of hard bainite structure gear on surface

Slag material flue gas drying process - invention patent certificate

Slag material flue gas drying process - invention patent certificate

120MN free forging hydraulic press

120MN free forging hydraulic press

Ultra-high pressure forging large diameter special thick wall seamless steel tube forming process

Ultra-high pressure forging large diameter special thick wall seamless steel tube forming process

Shaft type small diameter step deep hole processing technology and process equipment

Shaft type small diameter step deep hole processing technology and process equipment

Small hole shafts center position deep sampling pr

Small hole shafts center position deep sampling pr

30MN straight hydraulic press

30MN straight hydraulic press

Heavy crankshaft milling machine processing technology

Heavy crankshaft milling machine processing technology

Hydraulic machinery wind tunnel type air cooling d

Hydraulic machinery wind tunnel type air cooling d

Hydraulic machinery chimney type air cooling devic

Hydraulic machinery chimney type air cooling devic

Large diameter pressure relief system of hydraulic

Large diameter pressure relief system of hydraulic

CNC elevator guide planer

CNC elevator guide planer

Large diameter ductile iron pipe mould

Large diameter ductile iron pipe mould

Fire prevention device of hydraulic open die forgi

Fire prevention device of hydraulic open die forgi

Large electroslag remelting steel ingot

Large electroslag remelting steel ingot

25MN CNC straightening hydraulic press

25MN CNC straightening hydraulic press

Wind turbine main shaft above 1.5MW

Wind turbine main shaft above 1.5MW

New technology for ultra-high pressure forging large diameter and thick wall seamless steel pipe

New technology for ultra-high pressure forging large diameter and thick wall seamless steel pipe

F91 large forged three-way product development

F91 large forged three-way product development

Ultra-low carbon controlled stainless steel 316LN large electric slag weight for AP1000 nuclear power main pipeline

Ultra-low carbon controlled stainless steel 316LN large electric slag weight for AP1000 nuclear power main pipeline

Fiber-retaining wind power direct drive spindle forming technology

Fiber-retaining wind power direct drive spindle forming technology

Development of rack steel forgings for self-elevating offshore oil rigs

Development of rack steel forgings for self-elevating offshore oil rigs

CNC heavy-duty deep hole nesting horizontal lathe

CNC heavy-duty deep hole nesting horizontal lathe

120MN free forging hydraulic press

120MN free forging hydraulic press

Hydrogenation reactor tube section forgings research and development

Hydrogenation reactor tube section forgings research and development


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