WOOD CHIPPER SPECIALISTS
Crafting Premium, High-Performance Wood Chippers
We manufacture high‑quality, durable wood chippers to power your operations.
WOOD CHIPPER SPECIALISTS
Crafting Premium, High-Performance Wood Chippers
We manufacture high‑quality, durable wood chippers to power your operations.
Years of Excellence
Welcome to WD machinery
Innovation is Our Trademark Quality is Our Signature
Since 2008, WEIDONG has specialized in the R&D, manufacturing, sales and service of wood chipper and grinder, standing as one of China’s earliest manufacturers in the wood chipper industry. We own 48 invention patents for horizontal grinders and tub grinders, operating four modern production bases covering a total area of 100,000 square meters. Our facilities support the full industrial chain, including component machining, complete machine assembly and performance testing, with an annual output exceeding 1200 units.
Unimax is the global brand launched by WEIDONG. It aims to develop higher-standard woodchippers and build a more influential international brand, delivering higher-quality machinery and superior, convenient services to customers worldwide.
Rigorous Supply Chain Management
Uphold Quality, Carefully Sourced Premium Components from World-Class Brands
Trusted by more than 3500 Company all around the world!











Committed to Quality, Constant Innovation
With 19 years dedicated to R&D and manufacturing of wood chippers, we drive continuous innovation and progress within China’s wood chipper industry.
What We Offer
Timely & Efficient Wood Processing Services For Your Business
Our professional service team delivers rapid, accurate support, thanks to seamless cross-functional collaboration between engineering, sales, production and dealer teams. What sets us apart is not only what we achieve — but how we deliver it.
Pre-sale Custom Application Solutions
Our engineers tailor machine plans according to your raw materials and site conditions.
On-site Commissioning & Training
Quick video & photo troubleshooting cuts waiting time and reduces costly downtime.
Global Spare Parts & Warranty
Our engineers test machines and train your operators at your overseas worksite.
Remote Support & Rapid Fault Diagnosis
Reliable worldwide spare parts supply and full machine warranty protection.
Combining Extensive Experience & Rigorous Quality Control
Robust production capacity and extensive expertise are engineered into every high-quality wood chipper. We firmly believe fast delivery and superior grinding efficiency bring the greatest value to our customers.
Why Choose Us
Precision in Every Piece
Innovation in Every Step
Focus on wood chippers for 19 years, with a cumulative production of 1,200 wood chippers in 2025, we have accumulated rich and valuable experience in every production step, such as choice of raw material, production process, test, quality control. Precious experience is integrated into every high-quality wood chipper and grinder to continuously create value for customers.
We actively listen to and analyze customer feedback, transforming real-world challenges into opportunities for improvement. By continuously refining our production processes and advancing design concepts, we deliver wood processing solutions that are higher in quality, more efficient, and increasingly intelligent—helping our customers achieve greater productivity and sustainability.
19 years dedicated to woodchipper R&D & production. Our products are exported to 26 countries across the globe.
We use precision machining and standardized assembly. Every woodchipper passes full operational testing before delivery for stable performance.
We build win-win cooperation with our global agents for long-term sustainable growth.
We control the whole production chain in-house. Reliable quality with reasonable factory-direct pricing brings better value for your investment.
Covering all your wood processing requirements.
Industries and Applications
Our success is based on collaborating with customers and understanding their unique challenges. We then deliver complete solutions that not only meet their immediate needs but also provide the flexibility and durability to meet changing market conditions within their industries.
Biomass
Unimax wood chippers and grinders convert logs, branches and forest residues into uniform wood chips for biomass power and heating systems.
Land Clearing
Unimax wood chippers&grinders shreds felled trees, stumps and brush directly on-site during land development, farm preparation and highway corridor work.
Mulch
Unimax wood chippers create adjustable premium mulch. It retains moisture, suppresses weeds, feeds soil, ideal for orchards, parks and landscapes.
Compost
Unimax wood chippers shred green waste to accelerate composting. Output improves soil quality, reduces landfill waste for eco circular recycling.
Wood Waste Recycling
Unimax machines recycle waste timber, pallets and construction formwork. Crushed scraps become saleable raw materials, cutting landfill reliance and turning disposal costs into revenue for operators.
Forestry
Unimax wood chippers and grinders process forest thinning residues and underbrush on location. Forest operators gain saleable raw materials while maintaining healthy, sustainable woodland ecosystems.
Panel manufacturing
Unimax wood chippers and grinders turn low-grade logs and wood offcuts into standardized chips and fiber. Uniform particles meet strict requirements for particle board, MDF and OSB manufacturing lines.
Urban Maintenance
Unimax wood chippers handle seasonal trimmings and storm-damaged trees for municipal green departments. On-site shredding cuts waste volume, transport fees and landfill consumption for urban green management.
Our Value
Delivering rock‑solid reliable woodchippers.
With rich experience & rigorous Quality Control, we deliver rock-solid reliable woodchippers & grinders. Fast delivery and superior efficiency maximize value for you.
Target Oriented
We tailor machine specifications and supporting plans precisely to fit your throughput requirements, site constraints and budget targets, focusing on solving your actual wood processing challenges.
Reliable & Proven
Our woodchippers and grinders go through rigorous quality checks. Their steady, heavy-duty performance has been fully verified by numerous field projects across the globe.
Testimonials
What Our Clients Say About Our Manufacturing Services
Fast response and efficient communication are our key reasons for choosing Unimax. We expect complete after-sales support alongside machinery purchases, and Unimax has repeatedly delivered on this expectation.
Superior quality paired with highly competitive pricing is our core reason for choosing Unimax. It is usually hard to strike a balance between quality and cost, yet we are fortunate to find that balance here.
Unimax’s machines have withstood the hot and humid working conditions in Gulf countries, operating reliably. Coupled with ultra‑short lead times, they offer solid support for us to secure client projects.