Chongqing Changzheng Heavy Industry Co., Ltd.
Chongqing Changzheng Heavy Industry Co., Ltd.
🇨🇳 China, Chongqing Shi
19672001-5000 peopleManufacturerChongqing Changzheng Heavy Industry Co., Ltd. (CCHIC), established in 1967, is a large-scale heavy industry manufacturer and a subsidiary of the China State Shipbuilding Corporation (CSSC). Based in Chongqing, China, the company operates as a comprehensive industrial hub with a workforce of approximately 3,000 employees, including over 300 engineering technicians. CCHIC specializes in the design and production of railway wagons, bogies, and high-precision steel castings and forgings. Its extensive manufacturing capabilities integrate melting, precision casting, heat treatment, machining, welding, and surface treatment across multiple production lines.
The company maintains a significant annual production capacity, including 5,000 railway wagons, 70,000 tons of steel castings, and 70,000 tons of die and open-die forgings. Its diverse product portfolio serves the railway, marine, energy, and engineering machinery sectors, featuring components such as wind power spindles, crankshafts, marine container fastening systems, and bridge fabrications. As a major player in the global supply chain, CCHIC provides OEM, ODM, and contract manufacturing services to industry leaders such as Caterpillar, GE, Trinity, and Gunderson.
Committed to international quality standards, the company holds numerous certifications, including ISO 9001, ISO 14001, AAR M1003, IRIS, and EN15085, alongside maritime approvals from ABS, LR, and DNV. CCHIC exports its heavy industrial solutions to markets across North America, Australia, Southeast Asia, and the CIS region, supported by advanced R&D centers and long-term collaborations with leading research institutes.
OEM manufacturerOffers OEM services for customized brand manufacturing.
ODM manufacturerProvides ODM design and manufacturing solutions.
High capacity factoryCan handle large-scale or bulk production orders.
Product customizationOffers full customization for design and features.
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Railway Wagon Bogie Scheffeld Bogie Railway Truck Machinery Part
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Railway Wagon Bogie Scheffeld Bogie Railway Truck Machinery Part, Find Details and Price about Truck Bogie from Railway Wagon Bogie Scheffeld Bogie Railway Truck Machinery Part - Chongqing Changzheng Heavy Industry Co., Ltd.
Railway Parts Train Parts Gondola Car Parts Railway Bogie Train Bogie
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Railway Parts Train Parts Gondola Car Parts Railway Bogie Train Bogie, Find Details and Price about Railway Parts Gondola Car Parts from Railway Parts Train Parts Gondola Car Parts Railway Bogie Train Bogie - Chongqing Changzheng Heavy Industry Co., Ltd.
Castings Steel Casting Cast Steel OEM Casting Sand Casting Center Plate
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Castings Steel Casting Cast Steel OEM Casting Sand Casting Center Plate, Find Details and Price about Castings Steel Casting from Castings Steel Casting Cast Steel OEM Casting Sand Casting Center Plate - Chongqing Changzheng Heavy Industry Co., Ltd.$2
Wagon Components Wagon Coupler Support Seat Precision Castings
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Wagon Components Wagon Coupler Support Seat Precision Castings, Find Details and Price about Precision Castings Casting from Wagon Components Wagon Coupler Support Seat Precision Castings - Chongqing Changzheng Heavy Industry Co., Ltd.$2
Precision Castings Articulated & Securing System for Light Rail Beams Steel Casting
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Precision Castings Articulated & Securing System for Light Rail Beams Steel Casting, Find Details and Price about Steel Casting Precision Castings from Precision Castings Articulated & Securing System for Light Rail Beams Steel Casting - Chongqing Changzheng Heavy Industry Co., Ltd.$2
Bolster Train Parts Railway Parts Railway Components Castings Steel Casting
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Bolster Train Parts Railway Parts Railway Components Castings Steel Casting, Find Details and Price about Steel Casting Casting from Bolster Train Parts Railway Parts Railway Components Castings Steel Casting - Chongqing Changzheng Heavy Industry Co., Ltd.$2
Precision Casting Coupler Components of Railway Wagon Railway Precision Castings
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Precision Casting Coupler Components of Railway Wagon Railway Precision Castings, Find Details and Price about Precision Castings Coupler from Precision Casting Coupler Components of Railway Wagon Railway Precision Castings - Chongqing Changzheng Heavy Industry Co., Ltd.$2
Forgings Steel Forgings Steel Parts Boat Components Block Sliding Boat Parts Steel Forging Parts
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Forgings Steel Forgings Steel Parts Boat Components Block Sliding Boat Parts Steel Forging Parts, Find Details and Price about Forgings Steel Forgings from Forgings Steel Forgings Steel Parts Boat Components Block Sliding Boat Parts Steel Forging Parts - Chongqing Changzheng Heavy Industry Co., Ltd.$2
Casting Cast OEM Castings Steel Castings Part Sand Castings Steel Castings Machine Part Good Quality Good Price
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Casting Cast OEM Castings Steel Castings Part Sand Castings Steel Castings Machine Part Good Quality Good Price, Find Details and Price about Steel Part Machine Part from Casting Cast OEM Castings Steel Castings Part Sand Castings Steel Castings Machine Part Good Quality Good Price - Chongqing Changzheng Heavy Industry Co., Ltd.$2
Railway Parts Train Parts Gondola Car Parts Railway Bogie Train Bogie Good Quality Factory Price
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Railway Parts Train Parts Gondola Car Parts Railway Bogie Train Bogie Good Quality Factory Price, Find Details and Price about Railway Parts Gondola Car Parts from Railway Parts Train Parts Gondola Car Parts Railway Bogie Train Bogie Good Quality Factory Price - Chongqing Changzheng Heavy Industry Co., Ltd.
Sand Casting Machinery Part OEM Casting Machine Part Steel Casting Connector Steel Casting Machine Part Good Quality Good Price
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Sand Casting Machinery Part OEM Casting Machine Part Steel Casting Connector Steel Casting Machine Part Good Quality Good Price, Find Details and Price about Steel Part Machine Part from Sand Casting Machinery Part OEM Casting Machine Part Steel Casting Connector Steel Casting Machine Part Good Quality Good Price - Chongqing Changzheng Heavy Industry Co., Ltd.$2
Forged Truck Lever for Railway Wagon Components Forgings Train Parts Fixed Lever Dead Lever
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Forged Truck Lever for Railway Wagon Components Forgings Train Parts Fixed Lever Dead Lever, Find Details and Price about Railway Wagon Parts Truck Parts from Forged Truck Lever for Railway Wagon Components Forgings Train Parts Fixed Lever Dead Lever - Chongqing Changzheng Heavy Industry Co., Ltd.$2Customers
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Certifications
ISO 90014
ISO 140012
GMP1
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Product customization
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Description
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Disc.$50
Wind Power Innor Ring$1
Gear Shaft$1
Wind Power Outer Ring$1
Forged Disc.$50
2.0mmw Wind Turbine Shaft$1
Forged Flange$1
1.5MW Wind Turbine Shaft$1
Gear Ring$1
Gear Shaft (ZX-G1)$5000
Chongqing Dadi Heavy Industry Machinery Co., Ltd.
🇨🇳 China
1992501-1000 peopleManufacturerHigh capacity factory
Established brand
OEM manufacturer
Product customization
Key customer
BOSCH REXROTH
Description
Chongqing Dadi Heavy Industry Machinery Co., Ltd. is a contract manufacturer based in Chongqing, China, established in 1992. With 577 employees and an annual output of 100,000 tons of forgings, the company specializes in the R&D, forging, heat treatment, and machining of heavy industrial components. Their product portfolio includes large forgings, shafts (such as wind power main shafts, output shafts, wind turbine shafts, and hydropower main shafts), rings, gears, internal gear rings, torsion shafts, automotive hub covers, and automotive hubs. The company operates a factory covering 56,610 square meters and holds certifications including ISO 9001, TS16949, CCS, ABS, DNV, RINA, BV, NK, GL, LR, and KR, demonstrating a strong commitment to quality and international standards. They serve a diverse clientele, including major customers like GE, FMC Technologies, Bosch Rexroth Co., and Exedy Corporation.
Output Shaft$1
Automotive Hub Cover$1
