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E-mail: leah@xinfenghua.com
Phone/WhatsApp: +86-15980064929
Address: No. 146, Shikou, Reception village, Huangtang Town, Huian County, Quanzhou City
Milling Excavator
Our excavator track chains are made of high-quality alloy steel with advanced heat treatment technology. They feature excellent wear resistance, compatibility with various models, and are widely applied in construction and mining industries.
隐藏域元素占位
Product Introduction
| Model | MD80 | MD150 | MD240 | MD350 | MD450 |
| Operating Weight (kg) | 372 | 845 | 1340 | 1860 | 2620 |
| Input Power (kW) | 25 | 30 | 52 | 60 | 120 |
| Maximum Power (kW) | 34 | 40 | 62 | 70 | 140 |
| Maximum Working Pressure (bar) | 350 | 350 | 350 | 350 | 350 |
| Flow Rate (L/min) | 30-50 | 60-90 | 80-140 | 140-210 | 260-450 |
| Cutting Speed (rpm) | 120-200 | 90-130 | 65-113 | Sep-50 | 40-70 |
| Cutter Head Torque (Nm) | 3200 | 5800 | 10900 | 24000 | 36000 |
| Cutter Diameter (mm) | 360 | 460 | 590 | 620 | 730 |
| Loading Capacity (tons) | 3.0-8.0 | 8.0-15.0 | 15.0-24.0 | 18.0-35.0 | 30.0-45.0 |
Characteristics Of Longitudinal Milling Excavator
Application scope:
Concrete with a small amount of steel reinforcement, medium hardness rock, weathered rock, gypsum, coal rock, iron slag, etc.
1. Low noise, low vibration.
2. Construction safety, high efficiency, small particles excavated by milling, can be directly used as backfill material.
3. Flexible application, can replace different milling and excavation cutters, trenching milling and excavation wheels, rock saw discs, etc. according to the working environment. Easy and convenient replacement.
| Model | Displacement (mL/r) | Speed (RPM) | Speed Range (rpm) | Maximum Pressure (Mpa) | Rated Pressure (Mpa) | Rated Torque (Nm) | Maximum Power (kW) | Cutter Diameter (mm) | Total Height (mm) |
| MDDC60 | 934 | 78 | 0-140 | 35 | 25 | 3495 | 41 | ∅450 | 1030 |
| MDDC130 | 1868 | 67 | 0-83 | 35 | 25 | 6990 | 65 | ∅550 | 1260 |
| MDDC200 | 2099 | 60 | 0-100 | 35 | 25 | 7841 | 70 | ∅630 | 1410 |
| MDDC300 | 2518 | 63 | 0-100 | 35 | 25 | 9408 | 80 | ∅630 | 1470 |
Core Product Portfolio
Our products are engineered to meet the rigorous demands of heavy machinery operations, covering the following key categories:
• Excavator Components: High-strength bucket bodies, bucket teeth (available in standard and custom configurations), and ground-engaging tools. Specifically designed for harsh conditions like gravel and rock, these components deliver exceptional wear resistance.
• Rotary Drilling Rig Accessories: Precision-engineered drilling buckets and cutting teeth in various sizes and models. Optimized for soft soil, hard rock, and other geological layers, they enhance drilling efficiency in piling and earthwork operations for foundation construction.
• Hoisting & Handling Equipment Parts: Lightweight/small-capacity and heavy-duty carriers, lifting attachments, and industrial hardware. These parts ensure reliable performance for lifting and transporting equipment across diverse applications.
• Industrial & Mining General Accessories: A comprehensive range of wear-prone components, including underframe parts, attachments, pins, bushings, and wear plates. We serve both original equipment manufacturers (OEMs) and aftermarket customers.
Manufacturing Capabilities & Production Assurance
Backed by a modern 3,800㎡ production facility, we combine advanced technology with artisanal expertise to ensure consistent quality and efficient delivery:
• Technical Team: Over 40 senior engineers and managers with deep expertise in mechanical design, materials science, and quality control. They oversee every stage of product development and production.
Advanced Equipment
• 10+ welding machines (including MIG/TIG systems)
• 3 plate rolling machines (capable of processing steel plates up to 50mm thick)
• 3 high-precision CNC lathes
• 1 shot blasting machine (for surface cleaning and strengthening)
• 2 flame cutting machines (supporting rapid prototyping)
• 2 hydraulic press machines (for forging and forming)
These facilities enable us to flexibly handle both small-batch custom orders and large-scale standardized production.
Quality Control & Global Certifications
Quality is the cornerstone of our operations. Certified to ISO 9001, we have established a comprehensive quality control system spanning the entire production process:
• Material Selection: We source high-performance alloy steels (e.g., 42CrMo, 20CrMnTi) and enforce strict testing for chemical composition and mechanical properties (tensile strength, impact toughness, etc.).
• Process Oversight: Critical components undergo in-house non-destructive testing (NDT), hardness checks, and rated load verification to ensure performance compliance.
• Traceability: Full batch tracking from raw material incoming to final delivery guarantees transparency and accountability.
Today, over 95% of our products meet or exceed international standards (CE, ASTM, ISO), earning widespread recognition in global markets.
Market Reach & Service Commitments
With years of industry expertise, we have built a robust global presence:
• Domestic Market: Our products are distributed across 30 provinces and over 300 key cities in China, serving leading construction and mining enterprises.
• Global Exports: We currently export to 20+ countries and regions, including Southeast Asia (Vietnam, Indonesia), the Middle East (Saudi Arabia, UAE), and Europe (Germany, Poland). Renowned for our cost-effective performance and durability, our components have established a strong reputation in these markets.
You Are Currently Facing The Problem?
Our company creates a professional network for sales and services, extends its reach of services over the globe, sets up an integrated system for pre- during and post sale services.
Are you a factory or a trading company?
We are a factory based in Quanzhou with over 20 years of experience in machinery parts manufacturing, supported by a professional export team.
Which countries do you mainly export to?
Our products are mainly exported to more than 30 countries, including Europe, America, Southeast Asia, and the Middle East.
Do you offer customization services?
Yes, we provide OEM/ODM services and can customize production according to your drawings and requirements.
What is your minimum order quantity (MOQ)?
The MOQ varies by product. Generally, spare parts MOQ is 10 pieces, while complete components MOQ is 1 set.
What is your delivery time?
Regular products can be delivered within 15-30 days, while customized products depend on the order quantity and process.
Looking ahead, we remain committed to:
• Investing 8% of annual revenue in R&D to develop next-generation products (e.g., wear-resistant coatings, smart sensors for condition monitoring).
• Establishing localized service centers in key overseas markets to enhance after-sales support.
• Transitioning to green manufacturing by adopting eco-friendly production processes.
At Xinfenghua, we go beyond supplying parts – we act as strategic partners, dedicated to helping you optimize equipment performance and reduce total cost of ownership.
Specialized OEM Services
1. Material
2. Color
3. Size And Shape
4. Logo
6. Packaging
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At Xinfenghua, we go beyond supplying parts – we act as strategic partners, dedicated to helping you optimize equipment performance and reduce total cost of ownership.
