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Video Showcase

Watch our factory production, precision machining and finished product display videos. Witness how we manufacture reliable agricultural machinery spare parts, covering OEM processing, quality inspection and stock delivery for global distributors.

3 days ago
Are you a farm equipment dealer, repair shop, or large-scale farm owner?Stop sourcing through complex supply chains. Come directly to our factory for farm parts wholesale – better price, faster communication, and total control over quality.
50 views
3 days ago
Welcome to our factory! In this video, we show you how we produce and test high-quality agricultural machinery parts for B2B wholesale buyers worldwide.✅ Mass Production CapabilitiesWe specialize in manufacturing durable parts for tractors, harvesters, tillers, and other farm equipment. Our production lines are designed for high-volume orders with consistent quality.✅ Rigorous Quality ControlEvery batch goes through multi-step inspection:– Raw material testing– In-process dimensional checks– Final functional and durability tests– 100% visual inspection before packing✅ B2B Wholesale Advantages– Competitive factory-direct pricing– Custom labeling and packaging available– Reliable lead times for bulk orders– Global shipping and after-sales support🔧 Parts we supply :Plow blades, harrow discs, gearbox shafts, bearings, bushings, sprockets, chain links, hydraulic couplers, and more. OEM/ODM service is welcome.
21 views
3 days ago
Are you a farm equipment dealer, repair shop, or large-scale farm owner?Stop sourcing through complex supply chains. Come directly to our factory for farm parts wholesale – better price, faster communication, and total control over quality.
50 views
3 days ago
We are a factory with years of export experience – no middlemen, no hidden markups. This short clip shows:Semi/auto machining processSpot check of key dimensions & endurance testsFinal inspection before packing🚜 Parts we supply:Tractor, harvester, plough parts,
10 views
News & Industry Insights
Welcome to Changjia’s News & Blog. We share company updates, factory developments, agricultural machinery industry trends and technical know-how about OEM spare parts. Gain professional insights to support your agricultural machinery distribution business.
Custom Farm Machinery Parts | Changjia OEM for John Deere, CNH, CLAAS
Changjia is a 15-year export OEM maker of custom agricultural machinery parts. ISO9001 certified, custom by drawings/samples for tractors, harvesters & combines
2026 06 23
Precision Components, Reliable Harvest
The foundation of agriculture lies in mechanization, and the core of mechanization lies in reliable components. CHANGJIA does not only provide parts; we provide the assurance of efficient agricultural machinery operation.
2026 06 12
Avoid Common Pitfalls: Smart Strategies for Sourcing Tractor Parts from China
Smart Strategies for Sourcing Tractor Parts from China. As global demand for reliable, cost-effective agricultural machinery parts rises, China has become a top source for tractor components, offering advantages in pricing, production capacity, and variet
2026 06 12
Technological Innovation Redefines Performance Standards for Agricultural Machinery Parts
The global agricultural equipment industry is witnessing a new wave of advancement, as recent breakthroughs in the R&D of innovative agricultural machinery parts set higher benchmarks for performance and reliability across the sector.Driven by the core pu
2026 06 09
Why Choose Changjia As Your Farm Parts Wholesale Supplier
For farm parts wholesalers, distributors, and equipment manufacturers, downtime means direct financial loss. Choosing the right manufacturing partner is critical. Changjia is a Chinabased aftermarket farm parts factory with over 12 years of experience, se
2026 06 09
Download Center

Download our company introduction and agricultural spare parts catalogues. Get detailed specifications of tractor, harvester accessories to support your procurement and distribution work efficiently.

Case Studies
Efficient & Smart Cutter Head with 7s Brake & 45s Alignment
The Dura-DrumTM large-diameter cutter head enables faster material flow, lower power consumption and higher efficiency.
John Deere 1354 Power Output Shaft Replacement Single Speed
The John Deere 1354 tractor originally features a dual-speed PTO (power take-off) configuration, with a hollow shaft carrying two gears-540 rpm and 1000 rpm.
High-Performance Grain Crushing Solution–Enhanced Durability, Greater Efficiency
The grain crusher with ultra-durable technology has a longer service life. By increasing the diameter of the crushing rollers and enabling electric adjustment of the roller gap, the operation becomes more convenient.
Frequently Asked Questions
Check answers to common questions about Changjia agricultural machinery spare parts. Learn about our production capability, product range, cooperation policies and more. Contact us anytime if you have further inquiries.
1
What processes and processing methods are used for your agricultural parts?
We adopt professional manufacturing processes for agricultural machinery accessories, including precision casting, forging, CNC machining, heat treatment and surface treatment. Advanced equipment and standardized procedures guarantee high strength, wear resistance and long service life of all components.
2
Are you a manufacturer, trading company, or wholesaler of agricultural machinery parts?
Changjia is an experienced manufacturer and global wholesale distributor of agricultural machinery parts with over 15 years of experience. We own production workshops and complete supply chains, providing factory-direct prices, standard stock parts and customized OEM manufacturing solutions.
3
What types of agricultural machinery parts do you supply?
We offer a full range of replacement parts compatible with John Deere, CNH, CLAAS and other mainstream brands. Our products include gears, sprockets, drive shafts, pulleys, support arms and other key components. We continuously update our product portfolio to match new equipment models and market demands.
4
Can you protect my regional market after cooperation?
For authorized exclusive partners, we implement strict market protection policies. We will not supply your direct competitors within your exclusive territory. Our standardized channel management safeguards your market share and profit margins.
5
Which well-known brands do you supply agricultural parts to?
Our production system develops spare parts matching world-famous agricultural machinery brands, including John Deere, CNH and CLAAS.
6
Do you have existing customers in our region?
We serve agricultural distributors across the globe and strictly abide by customer confidentiality agreements. We cannot disclose specific client information, but we can provide relevant project references and customized solutions suitable for your regional market.
Contact Us for OEM Price Quotation
Experience seamless assistance from our team of Trade Account Managers with everything from quotes to delivery and everything in between for your project. 
OE Matching for Global Agricultural Brands
OEM Customization with Engineering Expertise
Strict Quality Inspection & Stable Supply
Fast Delivery with Technical Support
Get in Touch to Explore Our Tailored Solutions.
Contact Us
Contact Person: Cynthia

Email: info@changjiaagr.com

WhatsApp/Phone: +86 173 8829 8203

Address: Kunshan, Jiangsu Province, China

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