Custom Power Transmission Belts Manufacturer

About FULONG

Ningbo Fulong Synchronous Belt Co., Ltd. is located in Longshan Town, Cixi City, Zhejiang Province. Founded in 1984, it is one of the earliest enterprises in China engaged in the development, production, and sales of rubber synchronous belts.

We specialize in manufacturing industrial and automotive rubber timing belts, poly-V belts, variable speed belts, cutting V belts, PU timing belts, and matching pulleys. As a national high-tech enterprise, we operate a CNAS-certified laboratory and a provincial-level R&D center.

We have participated in formulating 18 national and industrial standards and are a drafting unit for the “Made in Zhejiang” group standard. With 26 patents—including 12 invention patents—we continue to lead innovation in power transmission technology.

Our Product Categories

High-performance transmission belts for industrial, automotive, and specialty applications. All products are engineered for durability, precision, and long service life.

Synchronous Belt

Precision toothed belts for accurate power transmission. Available in single and double-sided configurations with high torque options.

• Rubber construction with fiber reinforcement
• Tantex-coated variants available
• Open-ended and endless types

V-Ribbed Belt

High-efficiency belts with longitudinal ribs for improved flexibility and heat dissipation. Includes double-sided versions.

• Ideal for compact drives
• Reduced vibration and noise
• Resistant to oil and heat

Motorcycle/ATV Belts

Durable drive belts for scooters, ATVs, and motorcycles. Designed for high-torque and variable-speed applications.

• Scooter belts
• ATV drive belts
• Bended V-belts

Variable Speed V Belt

Designed for CVT and variable-speed transmissions. Offers smooth operation and long life under dynamic loads.

• High flexibility
• Heat-resistant compounds
• Wide angle variants available

Timing Belt Kit

Complete kits including timing belt, tensioners, and pulleys for automotive applications. Precision-engineered for OEM compatibility.

• Includes installation hardware
• Pre-stretched for accuracy
• Corrosion-resistant components

PU Belts

Polyurethane timing belts offering excellent wear resistance, low noise, and high tensile strength for industrial automation.

• Oil and UV resistant
• Cleanroom compatible
• Custom lengths and widths

Pulleys

Precision-machined timing pulleys in carbon steel and aluminum. Designed to match belt specifications for optimal performance.

• Metric and imperial pitches
• Hardened tooth profiles
• Surface treatments for durability

Cutting V Belt

Raw edge cutting V belts for high-power industrial drives. Superior grip and resistance to slippage in demanding environments.

• High-strength cords
• Oil and heat resistant
• Ideal for mining and agriculture

View All Products

Why Choose CNFULO?

Decades of expertise, innovation, and commitment to quality

CNAS Laboratory

National-level testing facility ensuring every product meets rigorous performance and durability standards.

12 Invention Patents

Innovative designs and materials developed in-house to solve complex transmission challenges.

Global Standards

Contributor to 18 national and industrial standards. Drafting unit for “Made in Zhejiang” group standards.

Custom Solutions

Strong R&D team capable of designing and manufacturing custom belts to meet unique application requirements.

Frequently Asked Questions

Insights from our industry expertise

How do raw edge V-belts perform in dirty or contaminated environments?

Raw edge V-belts are specifically engineered for superior durability in environments subject to dust, dirt, and moisture—common in agriculture and mining. Their reinforced structure resists abrasion and maintains grip under contamination.

How do raw edge V-belts handle high-speed operations?

Compared to traditional V-belts, raw edge variants reduce slippage in high-speed applications due to enhanced tensile strength and optimized cord alignment, improving power transmission efficiency and reducing wear.

What makes wide angle V-belts more durable?

The increased surface area of wide angle V-belts allows for even load distribution across the pulley, reducing stress concentration and minimizing wear—resulting in longer service life and higher torque capacity.

How does a double-sided synchronous belt improve efficiency?

Double-sided synchronous belts can transmit power in both directions simultaneously, enabling compact dual-drive systems. The tooth design ensures precise synchronization and minimal backlash in bidirectional applications.

Get in Touch

Reach out for product inquiries, custom solutions, or technical support.

Contact Information

Address: Longshan Town, Cixi City, Zhejiang, P. R. China 315311

Phone: +86-574-63787600

Fax: +86-574-63781500

WeChat/WhatsApp: 0086 13566060705

Email: info@cnfulo.com

Visit Our Website

For full product catalogs, technical drawings, and ordering information.

Go to CNFULO.com

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Custom Power Transmission Belts Engineered for Durability