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Premium Undercarriage Parts for Excavators & Bulldozers

OEM/ODM manufacturer of high-quality track rollers, carrier rollers, idlers, sprockets, and track chains. Trusted by global distributors with ISO9001, CE certifications and 3000+ sqm production facility.

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About Quanzhou Tengsheng

Welcome to Quanzhou Tengsheng Machinery Parts Co., Ltd! We are a leading factory with years of experience in producing high-quality excavator, bulldozer, and crawler crane undercarriage parts. Located in the heart of Quanzhou City, Fujian Province — the starting point of the Marine Silk Road — we serve clients across North America, Europe, Southeast Asia, and Africa.

Our mission is to deliver durable, precision-engineered components that enhance machine performance and reduce downtime. With rich experience in foreign trade export, we ensure seamless communication, fast delivery, and reliable after-sales support.

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Track Roller Bottom Roller

Why Choose QZKTS Part?

We combine advanced manufacturing, strict quality control, and customer-first service to deliver unmatched value.

Certified Quality

CE, ISO9001, and ISO13485 certified production processes ensure every part meets international standards.

3000+ sqm Factory

Modern facility equipped with CNC machines, forging lines, and automated inspection systems for consistent output.

Global Export Experience

Over a decade of experience in foreign trade, serving clients in 50+ countries with multilingual support.

After-Sales Support

Dedicated team ready to assist with technical queries, replacements, and logistics coordination.

Our Featured Products

Precision-engineered undercarriage components designed for durability, performance, and compatibility with major brands.

EX300 Track Roller

EX300 Track Roller

High-quality bottom roller for Komatsu EX300. Durable sealing, heat-treated steel, OEM equivalent.

EX30/PC30 Bottom Roller

EX30/PC30 Bottom Roller

Compatible with Hitachi and Komatsu mini excavators. Sealed bearing design for long life.

PC15 Track Roller

PC15 Track Roller

Lower roller for Komatsu PC15. Precision fit, corrosion-resistant coating, low maintenance.

TB016 Bottom Roller

TB016 Bottom Roller

Takeuchi excavator parts. Reinforced flange, high-load capacity, ideal for tough terrain.

VIO50 Bottom Roller

VIO50/VIO55 Bottom Roller

Compatible with Yanmar VIO series. Sealed lubrication system, extended service intervals.

PC400 Bottom Roller

PC400 Bottom Roller

Heavy-duty lower roller for Komatsu PC400. Forged steel construction, ideal for mining and quarry use.

CAT305.5 Carrier Roller

CAT305.5 Carrier Roller

Top roller for Caterpillar 305.5. High tensile strength, double-sealed bearings, long operational life.

SK330 Sprocket

SK330 Sprocket

Excavator sprocket for Kobelco SK330. Hardened teeth, precise pitch, minimal chain wear.

D20 Sprocket

D20 Sprocket

Bulldozer sprocket for D20 series. Forged and heat-treated for maximum durability in heavy-duty applications.

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3000+
Square Meters Factory
50+
Countries Served
10+
Years Export Experience
99.2%
Customer Satisfaction

Frequently Asked Questions

Do you accept OEM/ODM orders?

Yes, we offer full OEM and ODM services. Our engineering team can customize parts based on your drawings or samples.

What certifications do your products have?

Our factory holds CE, ISO9001, and ISO13485 certifications. All products undergo strict quality control before shipment.

What is your minimum order quantity (MOQ)?

We are flexible. MOQ varies by product, but we support sample orders and small batches for trial cooperation.

How long is the delivery time?

Typically 15-25 days after order confirmation. Stock items can ship faster. We provide production updates regularly.

Can I get samples before placing a bulk order?

Yes, we provide samples for quality evaluation. Sample cost and shipping are paid by the buyer, refundable upon bulk order.

Get in Touch

Have questions about our products or need a quote? Reach out to our sales team.

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