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WHO WE ARE
Luoyang Hengchang Heavy Industry Co., Ltd. is a high-tech enterprise specializing in the R&D, design, and manufacturing of large-scale non-standard mechanical transmission components, including large gear rings, gear shafts, slewing bearings, and heavy couplings. Located in Luoyang City, Henan Province – a key heavy industry hub in China – we deliver precision-engineered solutions for demanding applications.
Core Capabilities:
Custom production of large-diameter gear rings (5m+), high-torque gear shafts, and mission-critical slewing bearings
Advanced processing of high-strength materials (alloy steels, stainless steel)
Full-process manufacturing: welding → heat treatment → CNC machining → precision grinding
Serving energy (wind power), mining, shipping, and defense industries
Facility Highlights:
Complete quality documentation: Material certs, NDT reports, hardness testing
Heavy equipment: Large boring/milling machines, gear measuring centers
Patented technologies ensuring DIN 6+/AGMA 12 precision standards
Our factory specializes in the manufacture of large-scale, heavy-duty, non-standard transmission parts, with high-precision gears, gear rings, gear shafts and slewing bearings as the core products, and has the ability to provide the whole chain from materials to finished products, which is suitable for heavy industrial customers who need customized solutions.
Luoyang Hengchang Heavy Machinery Co., Ltd. has passed ISO 9001: 2015 certification and all procedures are approved by the TÜV Rheinland Precisely Right. Our integrated production and strict quality control processes ensure each products manufacturing meets customer's requirement.
At present, Hengchang Heavy Machinery has become the preferred supplier of many international customers. Products have been exported to more than 70 countries, including the United States, Germany, the United Kingdom, Italy, Turkey, Russia, Austria, Norway, Australia, Mexico, Malaysia, the Middle East and South Africa. Heng Guan Bearing is highly appreciated and trusted by customers all over the world.
We always uphold integrity management and professional services, and sincerely invite overseas customers to visit and negotiate. We are willing to work with you to win the world.
Luoyang Hengchang Heavy Industry Co., Ltd. Focusing on the development and manufacture of large-scale non-standard mechanical transmission parts, the high-tech enterprise, serving in wind power, mining, metallurgy, shipping and other heavy industry, to provide customized transmission solutions.
Next is the Core Products:
Large Gears & Rings: We produce rings with diameters from 1m to 10m+ and modules of 10–50+.
Heavy Gear Shafts: Our shafts handle lengths up to 10m and high-torque loads.
Large Slewing Bearings: We manufacture bearings with diameters of 2m–8m and static load capacities of 100–5,000 tons.
Additional Capabilities:
We supply rough forgings, free sections, and large-diameter forgings.
Our common materials include alloy steel (42CrMo, 34CrNiMo), stainless steel, and cast iron. We also customize materials to your requirements.
Full-Process Manufacturing:
Our facilities cover the entire production chain:
Forging → 2. Rough Machining → 3. Heat Treatment → 4. Finishing → 5. Precision Detection.
Not only that Quality Assurance:
We achieve precision levels of DIN grade 6+ (up to AGMA grade 12 for critical components).
Our rigorous controls include:
Full material certification
UT/MT defect inspections
Grinding and hardness testing reports
Final product inspection documentation
In summary, Customization Strength:
We specialize in non-standard solutions, collaborating with clients from design → process engineering → mass production. Provide drawings or working conditions, and we’ll handle the rest.
Let’s collaborate! Contact us to discuss your project.
Global service: export to Europe, America, Middle East, Southeast Asia, familiar with ASTM/DIN/ISO standard.standard.
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