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Excavator Hydraulic Cylinders

Heavy-Duty Excavator Cylinder
Supplier

Specialized in manufacturing high-performance hydraulic cylinders and spare parts for excavator construction machinery. OEM-quality, durable, and built for extreme conditions.

About TZ Cylinder

FUJIAN TONGZHOU MACHINERY CO., LTD. is a modernized engineering machine hydraulic product company integrated with R&D, manufacturing, and sales. Located in Quanzhou City, Fujian Province, China, we are a trusted manufacturer and supplier of excavator hydraulic cylinders.

Our hydraulic oil cylinders are designed with combined sealing systems for excellent performance and long service life. We have passed ISO 9001:2000 certification and use advanced ERP systems to ensure quality control across all operations.

  • 95% CNC Machines in Production
  • Auto Electroplating Lines for Nickel & Chromium
  • Imported Skiving & Deep Hole Milling Machines
  • CNC Auto Welding & Friction Welding
  • Full In-House Quality Inspection System
TZ Cylinder Workshop

ISO 9001:2000 Certified

Quality assured manufacturing processes

Our Hydraulic Cylinder Products

We manufacture high-quality replacement hydraulic cylinders for leading excavator brands including DOOSAN, CAT, KOMATSU, HITACHI, HYUNDAI, and KOBELCO. All products meet or exceed OEM standards.

DH500-7 DOOSAN Excavator Bucket Cylinder

DH500-7 DOOSAN Bucket Cylinder

Heavy-duty replacement bucket cylinder assembly for DOOSAN DH500-7 excavators. Precision-engineered for durability and optimal performance.

Bucket Cylinder
SK230 KOBELCO Excavator Arm Cylinder

SK230 KOBELCO Arm Cylinder

Robust arm cylinder assembly designed for KOBELCO SK230 models. Built to withstand high-pressure operations and repetitive cycles.

Arm Cylinder
EC460 VOLVO Excavator Boom Cylinder

EC460 VOLVO Boom Cylinder

High-strength boom cylinder for VOLVO EC460 excavators. Features advanced sealing technology for leak-free operation.

Boom Cylinder
PC120 KOMATSU Bucket Cylinder

PC120 KOMATSU Bucket Cylinder

Replacement bucket cylinder for KOMATSU PC120 series. Manufactured with high-grade materials for extended service life.

Bucket Cylinder
E305 CAT Excavator Boom Cylinder

E305 CAT Boom Cylinder

OEM-standard boom cylinder for CAT E305 excavators. Designed for maximum load capacity and reliability in tough environments.

Boom Cylinder
ZX330 HITACHI Bucket Cylinder

ZX330 HITACHI Bucket Cylinder

Precision replacement bucket cylinder for HITACHI ZX330 models. Tested for performance and durability before shipment.

Bucket Cylinder
R210-7 HYUNDAI Bucket Cylinder

R210-7 HYUNDAI Bucket Cylinder

High-performance bucket cylinder for HYUNDAI R210-7 excavators. Features corrosion-resistant plating and rugged construction.

Bucket Cylinder
SK350-8 KOBELCO Boom Cylinder

SK350-8 KOBELCO Boom Cylinder

Heavy-duty boom cylinder for KOBELCO SK350-8 excavators. Engineered for strength, precision, and long operational life.

Boom Cylinder

Why Choose TZ Cylinder?

We combine advanced technology, strict quality control, and global logistics to deliver reliable hydraulic solutions.

Modern Manufacturing

95% CNC machines, auto welding, electroplating lines, and precision grinding ensure consistent quality.

ISO 9001 Certified

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

Global Export

We export to multiple countries with reliable logistics and after-sales support.

Full In-House Control

From R&D to assembly, every step is managed internally for faster turnaround and quality assurance.

50+
Products Available
15+
Countries Served
ISO
9001:2000 Certified
95%
CNC Automation

Frequently Asked Questions

What types of excavator cylinders do you manufacture?

We specialize in three main types: Boom Cylinders, Arm Cylinders, and Bucket Cylinders for major brands including DOOSAN, CAT, KOMATSU, HITACHI, HYUNDAI, and KOBELCO.

Are your cylinders compatible with OEM specifications?

Yes, all our hydraulic cylinders are engineered to meet or exceed original equipment manufacturer (OEM) standards for fit, form, and function.

Do you offer custom hydraulic cylinder solutions?

Yes, as a manufacturer with full R&D and production capabilities, we can design and produce custom hydraulic cylinders based on your specifications.

What quality control measures do you have in place?

We have a comprehensive inspection system with advanced tools and testing procedures. Our ISO 9001:2000 certification ensures consistent quality across all production stages.

Get in Touch

Have a project or need a quotation? Contact our sales team today for expert support and competitive pricing.

Contact Person

Mr. Mark

Phone

0086-15159880746

WhatsApp

+8615159880746

Email

cylindermark001@gmail.com

Address

No.2 Shunhe Rd, Photovoltaic Base, Quanzhou Nan'an City, Fujian Province, China

Request a Quotation

For pricing, samples, or technical inquiries, visit our official website to submit your request.

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