What is your typical delivery time?

Depending on the material and complexity, our delivery cycle ranges from 4 to 16 weeks. For reusable part numbers, we maintain inventory to ensure the shortest possible delivery cycle, consistent with shipping times.

Do you offer custom manufacturing services?

Yes, we offer custom manufacturing services. You provide the drawings, and we can handle everything from sourcing materials to delivery to you.

What is your production capacity?

We have more than 30 computer-controlled turning centers, vertical machining centers, horizontal machining centers and vertical lathes, which can process parts of various sizes.

Which companies do you supply parts to?

We are a designated supplier for China National Heavy Duty Truck Group (CNHTC) and Shaanxi Automobile Group (Shaanxi Automobile). We also supply parts to Foton Motor, FAW Jiefang, Dayun Automobile, Pengxiang, Beiben Heavy Truck, and others.

How much? / Can you provide a quote?

Of course. Before that, I need drawings, the quantity you need, delivery time, and specifications.

Critical Components for Heavy-Duty Machinery & Vehicles

Custom differential housings, planet carriers, lift arms & valve seats. Forged, cast, and precision machined to OEM standards.

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Differential housing for heavy-duty truck axle, precision machined from ductile iron by XZAPART

"Bring your demanding drawings for critical machinery components."

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Quality Begins at the Source

Superior parts start with superior blanks. Our in-house forging and casting facilities give us complete control—from material grade to microstructure—eliminating supply chain risk and ensuring integrity from the start.

Precision Powered by Technology & Expertise

Over 60 high-end CNC machines (Mazak, Doosan) are operated by a team with 10+ years of experience. Under our 5S discipline, this combination delivers not only precision, but batch-to-batch consistency and efficiency.

Verification, Not Assumption

In our lab, guesswork is replaced by data. High-precision equipment like the Hexagon CMM validates every critical dimension. This ensures components don’t just meet specs—they exceed them, with performance you can measure.

Cost Advantage

Upstream Control Means Lower Cost and Stable Prices

We invest in forging and casting suppliers, allowing us to control raw material costs, secure stable pricing, and offer competitive manufacturing for large-volume custom axle and differential components.

Advanced Casting Foundry

The casting process adopts a hydrostatic line, with an annual production capacity of 100,000 tons.
It has the capacity to cast 400,000 differential case blanks and 150,000 shell blanks annually.

Trusted Quality

IATF 16949 Certified OEM Parts with Proven Reliability

With IATF 16949 certification and over 15 years of OEM supply experience for SINOTRUK and SHACMAN, we deliver consistent quality backed by strict inspections, stable processes, and long-term production reliability.

Sinotruk

Linde

Foton

XCMG

Shaanxi

Fangsheng

Beiben

Pengxiang

IATF 16949 certification for Shandong XinZhongAn Intelligent Manufacturing Co., Ltd., issued by Quality Austria.

You can verify our IATF 16949 certification via the official IATF portal: visit https://iatf-customerportal.org/site and search for our unique identifier 3GN9LS to confirm the validity of our certification.

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High Capacity

Top Equipment, Priority Supply

Over 60 high-end CNC machines (Mazak, Doosan) are operated by a team with 10+ years of experience. Under our 5S discipline, this combination delivers not only precision, but batch-to-batch consistency and efficiency.

XZAPART operator using Mazak CNC machining center for heavy-duty axle parts processing

Processing Supporting Capacity

Equipment: Equipped with renowned brand equipment such as Japanese Mazak machining centers, Korean Doosan machine tools, and Taiwan Donggang high-precision horizontal machining centers.
Workshop Layout: The machining workshop has 4 half-shell machining units, 4 boring units, one cleaning unit, one washing unit, and one packaging unit.
Capacity: Annual production capacity of 370,000 sets of differentials.

Heat Treatment Supporting Capacity

High & Medium Frequency Quenching Machine Group: Enables high and medium frequency heat treatment and tempering of workpieces.
Ultra-Audio Frequency Quenching Machine Group: Special machine tools for quenching processes using induction heating power supplies, featuring high reliability, time-saving, and labor-saving advantages.
Pit-Type Tempering Furnace: Used for high and low temperature tempering of various metal parts, disc materials, and shaft parts in a relatively sealed cavity after carburizing and quenching.
Technical Team: Our quenching engineers have over ten years of experience, having tested hundreds of quenching processes, making them a benchmark in the industry.

Inspection Capacity

Equipment: The company's quality department is equipped with Hexagon coordinate measuring machines (high-precision) and Rockwell hardness testing equipment.
Capabilities: Possesses metallographic testing and physicochemical testing capabilities.
Quality Management: The quality department clearly defines quality objectives based on test results and implements effective management.

Technical Expertise

Dedicated Team Solving Complex Design Challenges

Our engineering team provides professional technical solutions — from heat-treatment troubleshooting to drawing optimization — to prevent costly design risks and deliver reliable, manufacturable components.

Engineering team analyzing technical drawings and discussing quenching and manufacturing solutions for axle and differential components.

Heat-Treatment Expertise

Our team specializes in heat treatment for axle components (housings, differentials), solving industry pain points like quenching distortion, cracking, and hardness inconsistency. We’re often consulted by peers when their processes fail — delivering actionable solutions:

Accurate root-cause diagnosis
Optimized quench curves
Production-ready process adjustments

Case Study: Avoiding 2M+ RMB Loss

A customer planned a new design (with a 200,000 RMB implementation incentive). After reviewing the drawing, our engineers identified structural risks — and advised against proceeding.The customer later chose another supplier: the entire 2M+ RMB batch was scrapped due to the exact issues we predicted.

Protecting Your Innovations

Intellectual Property Protection

Integrity is at the core of everything we do. XZAPART implement strict protocols to safeguard your intellectual property, ensuring that your innovations and business interests are protected at all times. Our approach includes comprehensive non-disclosure agreements, secure data management systems, and restricted access controls.

4 Key Reasons to Choose XZAPART

As a trusted OEM supplier for top heavy truck brands, XZAPART combines authoritative certifications, full-chain manufacturing strength, innovative R&D, and global delivery to deliver high-quality metal auto parts.

1

Authoritative Certifications & Stringent Quality Control

XZAPART holds EU CE Certification and IATF 16949 Certification—the gold standard for the automotive industry. Our quality management covers the entire production cycle, from raw material inspection with high-precision Hexagon coordinate measuring machines to Rockwell hardness testing and metallographic analysis. Every component leaving our factory meets international quality benchmarks, ensuring reliability for your operations.

3

Official OEM Partnerships with Top-Tier Clients

We are an officially designated OEM supplier for renowned Chinese heavy-duty truck brands including Sinotruk, Shaanxi Automobile Group, Foton Daimler, Beiben Heavy Duty Automobile Group, Qingte Group, and Fangsheng Axle. Our deep integration into the core supply chain of the heavy truck axle industry means we understand your needs and deliver components that perfectly match OEM specifications.

2

Strong Manufacturing & Scalable Production Capacity

Upstream strength: Owned forging/casting plants with annual capacity of 100,000 tons of castings and 500,000 shell blanks via precision die forging;
Processing prowess: 60+ high-end machines (Mazak, Doosan, Donggang) and 4 dedicated machining units, delivering 370,000 differential sets annually;
Heat treatment expertise: Professional quenching teams with 10+ years of experience and advanced heat treatment equipment, guaranteeing superior mechanical performance of components.

4

Innovative R&D & Global Delivery Capabilities

With multiple invention patents, our R&D team continuously optimizes processes to enhance product performance. Backed by our professional packaging and shipping solutions—featuring barcode-based full-process verification, waterproof/rust-proof packaging, and flexible logistics options (road/railway)—we ensure on-time, damage-free delivery to clients worldwide, including Europe, the Middle East, and other key markets.

XZAPART Industry Expertise

XZAPART serves a diverse range of industries, including heavy trucks, construction vehicles, agricultural machinery, new energy trucks, high-speed rail, buses, industrial valves, and industrial robots. Our comprehensive manufacturing capabilities and quality-driven approach enable us to provide reliable components and solutions tailored to the unique demands of each sector.