Zhonghe Machinery Excavator Tunnel Arm for Hitachi ZX210 & ZX200
Premium tunnel boom arm designed specifically for Hitachi ZX210 and ZX200 excavators, engineered for enhanced performance in confined space applications.
Tunnel Boom Engineering Advantages
- Reinforced upper and lower cover plates with increased thickness
- Iron sand-filled arm construction for superior vibration reduction
- Enlarged hydraulic cylinders to withstand excessive vibration forces
- Integrated stop valves prevent oil leakage during bucket/breaker changes
- Multi-layer welding on pipe connectors minimizes oil leakage risks
Zhonghe Manufacturing Advantages
- Modern, innovative design approach
- Professional engineering and technical team
- Comprehensive quality control systems
- Competitive pricing structure
- CE certification compliance
- Responsive customer support
- Patented manufacturing technology
- Extensive production experience
Our manufacturing team includes over 15 technical professionals encompassing designers, engineers, and sales specialists. Our workshop employs more than 30 skilled workers organized into specialized groups for materials, machining, and assembly. Each production group is supervised by dedicated team leaders to ensure quality at every manufacturing stage, creating a strong, united workforce committed to continuous improvement and excellence.
Frequently Asked Questions
How do you guarantee product quality?
Our factory maintains an independent quality department with comprehensive testing protocols. Each product undergoes multiple inspections and must pass quality standards before shipment. We perform at least 5 final inspections prior to dispatch.
What products do you offer?
We specialize in excavator long reach boom arms, telescopic arms, pile driving arms, excavator grapples, and specialized rock buckets.
What are your payment requirements?
We require 30% deposit upon order placement, with the remaining balance due before factory release and shipment.
What is your production timeline?
Production lead times: 7 days for 1-6 units, 10 days for 7-12 units, and one month for 12-40 units.
How are product quotations determined?
Pricing is based on excavator model specifications, required arm length, and specific working condition requirements.
Do you offer OEM services?
OEM manufacturing is available with proper brand authorization from the client.
What is your manufacturing process?
Our comprehensive process includes: Design → Typesetting → Material cutting → Component machining → Bevel preparation → Assembly → Welding → Pipe layout → Pipe welding → Grinding & sandblasting → Painting → Final assembly → Quality inspection → Packaging.
Can I customize the arm color?
Color customization is available according to customer requirements, typically matching the host excavator's color scheme.