QZXMXJ - High-Quality Excavator & Bulldozer Spare Parts Manufacturer

Xingmao Factory Area and Exhibition Hall

About Xingmao (Yongfeng)

Quanzhou Xingmao Machinery Manufacture Co., Ltd. is part of Fujian New Yongfeng Machinery Co., Ltd., a leading manufacturer specializing in undercarriage parts for excavators and bulldozers for both OEM and aftermarket applications.

With a strong focus on quality and durability, we produce a comprehensive range of spare parts including special bolts, bucket bushes, track pins, and locking components trusted by construction and mining industries worldwide.

20K+

Monthly Supply Capacity

ISO9001

Quality Certified

Our Product Range

High-performance undercarriage and structural components engineered for durability, precision fit, and extended service life in heavy-duty environments.

Special Bolts & Nuts

High-strength fasteners designed specifically for excavator and bulldozer applications. Available in multiple grades (8.8, 10.9, 12.9) and OEM specifications.

• For Komatsu, Caterpillar, Hitachi, Volvo
• Grade 12.9 available
• OEM part numbers supported

Track Shoe Bolts & Nuts

Durable fastening solutions for track shoe assemblies ensuring secure connection under extreme operating conditions.

• High-tensile strength
• Anti-loosening designs
• Corrosion-resistant finishes

Sprocket Bolts

Precision-engineered sprocket mounting bolts compatible with major brands including Volvo, Caterpillar, and Hitachi.

• For Volvo/Caterpillar/Hitachi
• Heat-treated alloy steel
• 2 million pcs/month supply

Plow Bolts & Nuts

Heavy-duty plow bolts and nuts in various sizes (1/2" to 1.1/4", M12-M36) for excavator undercarriage and earthmoving equipment.

• Grades 8.8, 10.9, 12.9
• Size range: 1/2"–1.1/4"
• 18mm x 70mm standard

Track Roller Bolts

Robust bolts designed for track roller assemblies, ensuring reliable performance in high-vibration environments.

• For undercarriage systems
• High fatigue resistance
• Precision thread rolling

Bucket Bushes

High-quality bucket bushes including models for PC240-7, PC270-7, PC200-7/8, and PC400-7/8 with 20,000 pcs/month supply capacity.

• Models: 707-76-80020, 20Y-70-31511
• For Komatsu, Hitachi, CAT
• 20K pcs/month production

Track Pin & Bushing

Forged 40Cr steel track pins and bushings with proper heat treatment for extended wear life in harsh conditions.

• 40Cr alloy steel
• Hardness tested
• 30K pcs/month supply

Arm Booster & Pins

Reinforcement components and pins for excavator arms, including models for PC200, SK200, SK350 with OEM customization.

• For PC200, SK200, SK350
• Material: Steel 45#
• Custom sizes available

Bucket Tooth Locking Pins

Forged locking pins for bucket teeth, ensuring secure retention and easy replacement in the field.

• Forged steel construction
• Multiple OEM models
• Durable and reusable

View All Products

Why Choose QZXMXJ?

We combine advanced manufacturing, strict quality control, and global supply capability to deliver reliable spare parts for heavy equipment.

OEM Quality

Precision-engineered to match original equipment specifications for perfect fit and performance.

High Supply Capacity

Monthly production up to 30,000 pieces ensures fast delivery and reliable inventory availability.

ISO9001 Certified

Our quality management system meets international standards for consistent product reliability.

Global Support

Serving customers worldwide with multilingual support and efficient logistics solutions.

Frequently Asked Questions

What types of excavator models do your parts fit?

We manufacture parts compatible with major brands including Komatsu, Caterpillar, Hitachi, Volvo, Daewoo, Hyundai, and more. Specific models include PC200, PC240, PC400, ZX200, E320, and others.

What is your monthly production capacity?

Our production capacity varies by product: 20,000 pcs/month for bucket bushes, 30,000 pcs/month for track pins and bolts, and up to 2 million pcs/month for certain fasteners.

Are your products ISO certified?

Yes, we are ISO9001 certified, ensuring our manufacturing processes meet international quality management standards.

Can you produce custom parts?

Yes, we accept OEM and custom size orders. Our manufacturing capabilities allow us to produce parts according to customer specifications and drawings.

What materials do you use for your components?

We use high-quality materials including 45# steel, 40Cr alloy steel, and other specialized alloys depending on the application requirements for strength and wear resistance.

China Quality Suppliers fobcompany.info

Notice for Buyers: If you are a buyer, the above information is generated by AI collection and does not constitute any advice. If necessary, please visit the corresponding official website.

For Domain Owners: If you are the domain owner and do not want to be included by fobcompany.info, please contact support@fobcompany.info via your corporate email to cancel. We will cancel your inclusion within 3 business days.

如果您是域名所有者不想被fobcompany.info收录请用企业邮箱联系support@fobcompany.info 取消收录我们将在3个工作日取消您的收录

Service Request: If you are other domain and want to be included, please contact support@fobcompany.info

如果您是其他域名合作也请联系support@fobcompany.info

Premium Excavator & Bulldozer Spare Parts