Welcome to maquin
Your Gateway To Industrial Excellence
High-Performance Solutions Engineered For Global Mining, Construction And Heavy-Duty Industries.
About us
The Globally Trusted Expert in Machinery Spare Parts
Established in 2002, Ningbo Digtech Machinery Co., Ltd, is a professional and experienced manufacturer and supplier integrating R&D, production, and trading. Specializing in spare parts for excavators, bulldozers, motor graders, crawler cranes, and other mining and construction machinery, which includes bucket teeth, track roller, carrier roller, front & rear idler, sprocket, track group, teeth pin and lock, bolt and nut as well as other wear-resistant parts.
20+ years exporting from a modern facility to 50+ countries. 200+ types, 3000+ specs for reliable, durable solutions in mining, construction & heavy-duty industries.
We serve OEMs and customers worldwide. Our parts fit major brands like Caterpillar, Komatsu, Hitachi, Volvo, and are compatible with leading aftermarket systems including ESCO, MTG, and Bradken.
We stand behind every product with: pre-order factory inspection, detailed drawings upon order confirmation, and pre-delivery inspection with photos and test reports.
Product Range
We offer a comprehensive range of heavy equipment and attachments, including:
- Excavators:5T–200T
- Bulldozers:D85–D475 (Komatsu) & D8–D11 (Caterpillar)
- Crawler Cranes:25T–2000T
Superior Impact & Abrasion Resistance
Ground Engaging Tools (G.E.T.) are engineered to balance impact strength and wear resistance through precise materials and advanced heat treatment. With a hardness of 50–54 HRC, they ensure long service life and enhanced performance in the most demanding conditions.
Bucket Teeth–Wide Weight Range
Available from 1 kg to 500 kg, our bucket teeth are designed to meet diverse operational needs—from light-duty to heavy mining applications.
our products
Direct-from-Factory G.E.T. Manufacturing
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Liebherr track roller 10800278 R966 excavator TR
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Liebherr carrier roller 10800276 R966 excavator
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Liebherr sprocket 10800274 R966 excavator
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Liebherr idler group 10470769 for R966HD excavator IDLER GP
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10100834 Track Assembly / Standard OEM Specification
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198-30-00571 Komatsu carrier roller for Bulldozer D475A-5
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198-30-00561 Komatsu IDLER ASSY for Bulldozer D475A-5
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198-30-00551 Komatsu Bulldozer D475A-5 Track roller assy double flange
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198-30-00541 Komatsu Bulldozer D475A-5 Track roller assy single flange
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Liebherr Z120CL R9200 Bucket tooth 11102212
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Liebherr Z100CL bucket teeth 11102191
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Liebherr Z90 Tiger Tooth 10451155
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XS115PX Hensely PC1250 Bucket Tooth Pin Assy Komatsu KP115
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WS300 Bucket welded Lip Protector Mining lip shroud
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PC1250 Heel shroud ES66972 weld-on lip
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PC1250 bucket side protector 427-70-13611 Side Guard Plate
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Precision casting
Our Vision
Leading with advanced GET and undercarriage solutions that boost efficiency, cut downtime, and support a sustainable future. We set the standard through engineering excellence and true partnership.
Our Mission
To power progress by delivering smarter, stronger excavator parts—driving performance, reliability, and value for our customers and their machines.
Our Motto
Strength. Precision. Reliability. Engineered to Move the World.


















Focus on Insights & Tech
Direct-from-Factory G.E.T. Manufacturing

5 Signs Your Excavator Undercarriage Needs Replacement | Excavator Maintenance
Why Excavator Undercarriage Replacement Planning Matters For procurement professionals and fleet managers, an excavator's undercarriage is its most critical wear component. Undercarriage maintenance typically consumes

How to Choose the Right Bucket Teeth for Your Excavator: A Buyer’s Guide
How to Choose Excavator Bucket Teeth That Fit Selecting the right excavator bucket teeth is more than a routine maintenance purchase; it is a strategic

Mining Equipment Wear Parts: Maximizing Uptime in Harsh Operating Conditions
Why Mining Equipment Parts Matter for Uptime and Cost Control When evaluating modern mining operations, the reliability of mining equipment parts directly dictates overall profitability.