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Trusted by construction and mining industries worldwide. Direct from the SANQI factory in China with over 15 years of engineering excellence.
Quanzhou Sanqi Engineering Machinery Co., Ltd. has been a leading manufacturer of undercarriage components since 2007. With over 120 skilled professionals and a 30,000 square meter facility, we specialize in producing high-performance parts for excavators, bulldozers, and other heavy machinery.
Our in-house casting and forging workshops, combined with advanced CNC machinery and heat treatment systems, allow us to deliver durable, precision-engineered parts at competitive prices.
Full control over casting, forging, machining, and heat treatment ensures consistent quality and faster delivery times.
Adhering to the philosophy of "survival through high quality product," we maintain strict quality control at every stage.
Our technical team provides expert guidance and after-sales service to ensure optimal performance of our components.
Exporting to over 50 countries with reliable logistics and customer-first service philosophy.
We manufacture durable, high-performance parts for excavators, bulldozers, and crawler machinery. All components are precision-engineered for maximum durability and compatibility.
High-strength forged sprockets for Komatsu, Caterpillar, and Hitachi models. Precision-machined for optimal track engagement.
Heavy-duty bucket links designed for durability under extreme stress. Ideal for mining and heavy excavation.
High-tensile fasteners for secure track shoe assembly. Resistant to vibration and shear forces.
Sealed and lubricated track rollers with double-flange design for enhanced stability and longevity.
Complete undercarriage solutions for Yanmar mini excavators. Perfect fit and long service life.
Heavy-duty carrier rollers with reinforced seals and precision bearings for smooth operation.
Adjustable front idlers with wear-resistant bushings and robust axle design for extended track life.
Hardened track links with precision bushings for reduced wear and improved track tension.
We control the entire production process—from raw material casting to final assembly—ensuring consistent quality and cost efficiency.
Utilizing CNC lathes, milling machines, and advanced heat treatment systems to produce components with tight tolerances and superior durability.
With established logistics partners, we deliver to over 50 countries with reliable shipping and customs support.
Adhering to the tenet of "quality first and customer first," we maintain rigorous inspection protocols at every stage.
Our technical team provides installation guidance, troubleshooting, and replacement recommendations to maximize uptime.
Our parts are engineered to fit major brands including Komatsu, Caterpillar, Doosan, Yanmar, Hitachi, and more.
We primarily use high-grade alloy steels such as 40MN2 and 50MN, which are heat-treated for enhanced hardness, wear resistance, and structural integrity.
Yes, we provide custom manufacturing services. Our in-house R&D and production capabilities allow us to develop parts based on customer specifications or samples.
Standard lead time is approximately 30 days after order confirmation. For bulk or custom orders, we provide a detailed production schedule.
Our components are designed to fit major brands including Komatsu, Caterpillar, Doosan, Hitachi, Yanmar, Volvo, Kobelco, and Hyundai.
We implement strict QC procedures at every stage—from raw material inspection to final packaging—using advanced testing equipment and experienced technicians.
Yes, we offer sample units for evaluation. Sample costs and shipping fees may apply, but are often credited toward future orders.
For inquiries, quotes, or technical support, contact the SANQI team directly through the official website.
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