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SUBORDINATE SUBSIDIARIES 

INNOVATION RESULTS

Key New Product

Heavy duty ESR ingot
MW level wind turbine main shaft
CNC guide rail planner
Large diameter ductile iron cast pipe mould

Technical achievements

CNC elevator guide planer
Large diameter ductile iron pipe mould
Wind turbine main shaft above 1.5MW
Large electroslag remelting steel ingot

Patent Grant

Numerical control elevator guide planer
Large diameter deep hole nesting rod
Slag flue gas drying system equipment
30 tons CNC three-phase bottom-type electroslag furnace

Assigned patent

Hitachi wheel forgings and manufacturing process
Forging die and forging process for high-angle tapered hole forgings
Free forging hydraulic press large diameter inlet system
Rack steel processing and manufacturing method

Prize for Progress

Large electroslag remelting steel ingot
25MN CNC hydraulic straightening machine
New technology for ultra-high pressure forging large diameter thick-walled seamless steel pipe