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About Us

About ChangJia | OEM Agricultural Machinery Replacement Parts Manufacturer

ChangJia is ISO9001 certified factory of OEM spare parts for John Deere, Case IH, New Holland tractors, combines & cotton pickers. Support OE matching, ready stock & custom OEM machining for global farm equipment distributors.

Professional OEM Manufacturer of OE Matching Agricultural Machinery Replacement Parts

Changjia Agricultural Company is a professional manufacturer specializing in the R&D, production and supply of agricultural machinery replacement spare parts. Strategically located in Jiangsu, China, we are equipped with advanced production facilities, robust technical capabilities and a standardized management system, which supports us to deliver reliable products and professional services to global clients.
15+
Experts and engineers
20+
Partner count
30+
Experienced employees
Factory area
Our Vision & Mission

We are committed to expanding our global presence and supplying high-performance agricultural machinery spare parts to farming industries worldwide.


Our products enjoy popularity both in the domestic market and overseas markets. Moving forward, we will keep upholding the principle of quality first, persist in technological innovation, and strive to become a trusted long-term partner for global customers in the agricultural machinery spare parts industry.

Why Choose ChangJia As Your Partner
Adhering to strict quality standards and professional technical innovation, Changjia delivers standardized manufacturing, full-process quality control and responsive after-sales service for global machinery spare parts buyers.
Standardized Manufacturing & ISO Certified Quality System​
Adhering to the core value of quality-oriented development, Changjia implements standardized production and strict process management. Certified with ISO9001, we conduct full-range inspections from raw material screening to finished product testing, ensuring every agricultural machinery part meets high durability and stability standards for global clients.​
Professional Technical Support & Custom Training Service​
We have an experienced engineering team to provide 24/7 professional technical guidance, covering product selection, parameter confirmation, installation and maintenance. Customized online and on-site training programs help global users improve equipment efficiency and reduce daily operation and maintenance costs effectively.​
Efficient Feedback & Rapid After-Sales Response Mechanism​
We support multi-channel user communication and guarantee a clear response within 2 working hours. All feedback and complaints will be professionally analyzed, processed and followed up throughout the whole procedure, with improvement solutions delivered in a timely manner to ensure satisfactory after-sales results for every client.​
Full-Cycle Quality Assurance & Traceable Product System​
We implement full-process quality supervision and establish traceable product files for each batch. With official after-sales warranty support, we provide free repair and replacement for non-human quality problems, ensuring safe and worry-free procurement for global distributors.
Trusted Global Partners & Compatible Equipment Brands
We supply OEM agricultural machinery replacement spare parts perfectly compatible with world-famous farm equipment brands including John Deere, CLAAS, Case IH, Kubota, New Holland, Yanmar and Deutz. We have built long-term stable partnerships with agricultural machinery distributors, maintenance suppliers and equipment manufacturers globally. Supported by our comprehensive OE number matching database, sufficient ready stock and flexible OEM custom machining capability, we deliver durable, precisely-fitted replacement parts to partners across Europe, North America, Southeast Asia and other regions. We keep optimizing our supply chain to bring reliable, cost-effective sourcing solutions for global agricultural industry clients.
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

Customer service
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