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{"title":"ZHONGHE Q355B 27T Excavator Tunnel Boom Hammer For HD ZX PC","imgUrl":"https:\/\/img.chinax.com\/nimg\/3b\/cc\/3ec59f5640edde29c8c6ffe4642d-200x200-1\/zhonghe_q355b_27t_excavator_tunnel_boom_hammer_for_hd_zx_pc.jpg","attrs":{"Brand Name":"Zhonghe","Model Number":"27 ton","Certifiion":"CE","Place of Origin":"China"}}
{"title":"High strength Excavator tunnel boom short boom excavator long reach arm for","imgUrl":"https:\/\/img.chinax.com\/nimg\/08\/54\/8f67b4e52ff79add231fa9b417a2-200x200-1\/high_strength_excavator_tunnel_boom_short_boom_excavator_long_reach_arm_for_excavator_for_hitachi_komatsu_zoomlion.jpg","attrs":{"Brand Name":"Zhonghe Machinery","Model Number":"for 6-50 ton excavator","Certifiion":"CE, patent","Place of Origin":"China"}}
{"title":"Short Excavator 313 Tunnel Arm Multipurpose Q355B Material","imgUrl":"https:\/\/img.chinax.com\/nimg\/3e\/0f\/0c14e7e89e982f724f51fdc42ecf-200x200-1\/short_excavator_313_tunnel_arm_multipurpose_q355b_material.jpg","attrs":{"Brand Name":"ZHONGHE","Model Number":"6~30T","Certifiion":"CE","Place of Origin":"China"}}
{"title":"Short Excavator 320 Tunnel Arm Multipurpose Q355B Material","imgUrl":"https:\/\/img.chinax.com\/nimg\/e2\/5a\/a4d1314ea70abff619694c117ddf-200x200-1\/short_excavator_320_tunnel_arm_multipurpose_q355b_material.jpg","attrs":{"Place of Origin":"Guangdong, China","Brand Name":"ZH","Packaging Details":"bubble bag packing","Supply Ability":"60 Piece\/Pieces per Month"}}
{"title":"Yellow Short CX210 Excavator Tunnel Boom Q355B Material Durable","imgUrl":"https:\/\/img.chinax.com\/nimg\/32\/55\/9313da9b12d1175ed4a417efa014-200x200-1\/yellow_short_cx210_excavator_tunnel_boom_q355b_material_durable.jpg","attrs":{"Place of Origin":"China","Brand Name":"ZH","Supply Ability":"60 Piece\/Pieces per Month","Price":"$8500\/Pieces"}}
High-strength Q355B steel excavator tunnel arms designed for heavy-duty excavation work in confined spaces with superior maneuverability and durability.
Appliions
Ideal for tunnel digging, underground excavation projects, and working in narrow spaces where safety and efficiency are paramount.
Specifiions by Excavator Model
Component
Excavator Model (Ton)
Board Thickness (mm)
Boom
6-8T
10mm
Arm
Boom
10-15T
14mm
Arm
Boom
20-24T
16mm
Arm
Boom
30-36T
25mm
Arm
Boom
45-50T
30mm
Arm
Customization service available. Please provide your excavator model for precise specifiions.
Product Overview
Safe, balanced, and highly effective tunnel boom systems designed for optimal performance.
Quality Features
Professional engineering, premium materials, and rigorous quality control ensure superior performance.
ZHONGHE Advantages
Modern design and styling
Professional engineering team
Comprehensive quality control
Competitive pricing
CE certifiion
Responsive customer service
Patented technology
Extensive production experience
Technical Advantages
Centralized lubriion system for easy maintenance
Integrated back bushing design prevents dislodgement
Multi-layer reinforcing rib plates at stress points for enhanced durability
Optimized hydraulic pipeline design for simplified maintenance
Graphite alloy copper sleeves for extended service life
One-piece molding process for boom seat sleeves
Three-layer, four-pass welding technique
Seamless precision steel pipes for superior strength
Built-in transverse and vertical reinforcement ribs to improve tensile strength
90-degree elbow joints prevent hose bending and extend service life
Enhanced piling height capability compared to standard arms
Quality Assurance Process
Three-stage inspection system ensures every product meets exacting standards:
Finished Product Testing: Final dimensional and installation validation
Every ZHONGHE product undergoes this rigorous three-stage inspection before shipping.
Manufacturing Capabilities
Our facility employs over 15 technical staff including designers, engineers, and sales professionals, supported by more than 100 skilled workers organized into specialized groups for material processing, machining, and assembly. Each production stage is supervised by group leaders to ensure quality and efficiency.
Frequently Asked Questions
How do you guarantee quality?
Our independent quality department tests every product, with final inspections performed at least 5 times before shipment.
What products do you offer?
Excavator long reach boom arms, telescopic arms, pile driving arms, grapples, and rock buckets.
What are your payment terms?
30% deposit when ordering, with balance due before factory release.
What is your production timeline?
7 days for 1-6 sets, 10 days for 7-12 sets, one month for 12-40 sets.
How is pricing determined?
Quotations are based on excavator model, length requirements, and specific working conditions.
Colors can be customized to match host equipment or customer preferences.
Contact us for special offers and pricing information.
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer,Seller
Year Established:
2018
Total Annual:
1500000-2200000
Employee Number:
100~200
Ecer Certification：
Verified Supplier
Esteblished in 2018, Kaiping Zhonghe Machinery Manufacturing Co., Ltd., a manufacturing and trading combo, specializes in customizing different kinds of excavator boom arms and attachments
Esteblished in 2018, Kaiping Zhonghe Machinery Manufacturing Co., Ltd., a manufacturing and trading combo, specializes in customizing different kinds of excavator boom arms and attachments
