What Makes a Metal Parts Supplier Truly Reliable?
Are you struggling to find a metal parts supplier who actually delivers what they promise?
Do you worry about receiving poor-quality casting parts that delay your production?
Are rising costs and late shipments hurting your bottom line?
If these concerns sound familiar, you’re not alone.
What’s the Short Answer?
Dalian ZhongSheng Metal Products is a certified metal parts manufacturer in China offering high-quality casting, machining, forging, and sheet metal services with competitive pricing, fast lead times, and full export compliance for the EU and global markets.
We understand how difficult it is to find a factory partner who’s both skilled and trustworthy — that’s exactly why we exist.
Who We Are: The Heart of ZhongSheng Metal Products
I’m Cindy, and I represent Dalian ZhongSheng Metal Products — a trusted, high-capacity metal parts manufacturer based in Dalian, China.
We’re not just a trading company. We’re a factory with five dedicated production lines, built from the ground up to offer casting, machining, forging, and sheet metal services under one roof.
Our factory is located in the Dalian Economic and Technological Development Zone, one of China’s most advanced industrial hubs. With modern infrastructure and skilled workers, we are able to deliver low-cost, high-quality metal products to clients around the world — especially to industries in North America, Europe, Japan, and South Korea.
What makes us different?
- ✅ We own our factory — we don’t outsource your parts
- ✅ We provide one-stop service, from design to delivery
- ✅ We are wholesale only — perfect for B2B buyers
- ✅ We are export-ready, with CE certification and a registered EU Representative (source)
Our leadership and staff have decades of experience in the metal fabrication industry, specializing in custom metal part production for clients in:
- Agriculture
- Construction
- Automotive
- Mining
- Petrochemical
Every project is unique, but the goal is always the same: deliver reliable metal components at a price and timeline you can count on.
What We Offer: One-Stop Metal Parts Manufacturing
We’ve structured our services to support the entire metal product lifecycle, including:
- Drawing Review & Design Assistance
You send us the drawings — we’ll offer material suggestions, process optimization, and check manufacturability.
Many customers don’t fully understand production tolerances or transportation implications — we bridge that knowledge gap. - Material Sourcing
Whether you need gray iron, carbon steel, aluminum, brass, or stainless steel, we source directly and maintain full material traceability. - Precision Manufacturing
We use a combination of:- Sand casting
- Investment casting
- CNC machining
- Die forging
- Laser cutting and sheet metal forming
With each process handled in-house by skilled operators and supervised with strict QC protocols.
- Surface Finishing Options
We provide options such as:- Powder coating
- Anodizing
- Galvanizing
- Shot blasting
All finishes meet international corrosion standards.
- Logistics & Packaging
We understand that buyers often struggle with unexpected shipping fees. We provide a clear breakdown of:- FOB
- CIF
- DDP options
Plus, we offer support for custom labels and wooden crates, ensuring your parts arrive ready for your line.
- Certifications & Documentation
Exporting to Europe?
We are compliant with the EU General Product Safety Regulation (GPSR) and have appointed a registered European representative.
Need CE compliance? We’ll supply the Declaration of Conformity and technical files.
Casting, Machining, Forging & Sheet Metal: Our 4 Core Capabilities
As a full-service metal parts manufacturer, we offer an integrated set of fabrication services. These four core processes form the backbone of our factory’s production capabilities:
1. Metal Casting
Casting is one of the oldest and most versatile methods of forming metal parts — and it remains a cornerstone of what we do.
We use sand casting, investment casting, and die casting to produce custom parts based on your specifications. Whether you need large, heavy parts or high-precision components, our casting lines can accommodate it.

Materials we typically cast include:
- Gray iron
- Ductile iron
- Carbon steel
- Stainless steel
- Aluminum alloys
Why choose our casting service?
- Mold design optimization support
- Flexible tooling options for small or large batches
- Dimensional control with 3D scanning and CMM
- Heat treatment and surface finishing available
Our casting parts are widely used in the agriculture, automotive, and construction sectors. For example, we supply valve housings, brackets, pump bodies, and gearbox casings.
📌 Learn more about our casting process →
2. CNC Machining
Precision matters — and this is where our CNC machining workshops come into play. We operate multi-axis CNC machines, turning centers, and vertical mills, giving us the ability to produce complex geometries with high repeatability.

Machining services we provide:
- CNC turning
- CNC milling
- Boring
- Drilling
- Tapping
- Threading
Supported materials:
- Cast iron
- Aluminum
- Brass
- Steel
- Stainless steel
- Plastics (on request)
Our CNC machining services are ideal for custom parts, tooling components, and tight-tolerance mechanical parts that often require post-casting or standalone production.
You’ll also benefit from:
- 100% dimensional inspection
- Short lead times
- Competitive pricing
- ISO-standard quality control
📌 Explore our CNC machining services →
3. Metal Forging
Forging is critical for applications that demand high strength and structural integrity. We use closed-die forging and open-die forging processes, depending on part complexity and volume.
Forged parts are particularly useful in automotive, mining, and oil & gas sectors where extreme mechanical stress is common.

Typical forged components:
- Flanges
- Crankshafts
- Couplings
- Gear blanks
- Rod ends
We forge materials like:
- Alloy steel
- Carbon steel
- Stainless steel
- Aluminum
You can expect parts with:
- Excellent grain flow
- Minimal internal defects
- Better fatigue resistance
4. Sheet Metal Fabrication
Our sheet metal division is equipped for both prototyping and mass production. We handle cutting, bending, welding, and assembly in-house.

Core equipment includes:
- Laser cutting machines
- CNC press brakes
- MIG/TIG welders
- Spot welding systems
- Riveting and fastening stations
Common products:
- Control panels
- Enclosures
- Mounting brackets
- Chassis frames
We provide both raw sheet metal parts and fully finished assemblies with powder coating, galvanizing, and custom logo engraving.
Industry Applications: How Our Products Serve the World
Our metal parts are found in industrial equipment all over the globe. Here’s a breakdown of how we serve specific industries with tailor-made components.
🛠️ Construction Industry
We supply:
- Excavator brackets
- Concrete pump flanges
- Scaffolding joints
- Reinforcement connectors
These parts are built to handle harsh working conditions and are often treated with anti-corrosion coatings to extend service life.
🚜 Agriculture
From tractors to harvesters, we manufacture:
- Gearbox housings
- Axle parts
- Cutting blades
- Mounting frames
Durability and wear resistance are critical in this field, and our heat-treated castings meet those demands.
🚗 Automotive
We produce:
- Brake system parts
- Engine covers
- Shock absorber brackets
- Steering system parts
Machining precision and metallurgical consistency are strictly controlled to ensure safety.
🛢️ Petrochemical & Energy
Our forged and machined parts include:
- Valve bodies
- Pipeline connectors
- Flanges
- Drill bit heads
We understand the importance of pressure ratings and material traceability in this sector.
🏗️ Mining Equipment
We supply heavy-duty forged and cast components such as:
- Crusher jaws
- Track shoes
- Wear-resistant liners
Our products are engineered for impact and abrasion resistance in extreme environments.
Why Our Prices Stay Low, While Our Quality Stays High
At Dalian ZhongSheng Metal Products, we constantly get asked:
“How do you keep your prices so competitive without compromising quality?”
It’s a fair question — and the answer is simple.
We control every aspect of the production chain in-house.
That means no third-party markups, no unnecessary logistics, and no quality gaps between suppliers and subcontractors. Every product we make is designed, manufactured, inspected, packed, and exported directly from our factory.
Here’s how we keep your costs low:
- Factory-direct pricing:
No middlemen. No trading company premiums. You deal with the source — us. - Efficient production planning:
We optimize batch production to reduce downtime, material waste, and energy consumption. - Localized raw material sourcing:
We have long-term partnerships with steel mills in northern China — allowing us to negotiate better rates and pass those savings to you. - Smart logistics:
We consolidate shipments and use tier-one forwarders who understand our clients’ urgency.
Despite our lower pricing, quality is never compromised.
Every product passes through:
- Material certification checks
- In-process inspection
- Final quality control (dimensional + visual + performance)
- Random third-party testing (on request)
You don’t have to choose between low price and good quality — with us, you get both.
Certifications & Compliance: Export-Ready for the EU & Beyond
Many importers worry about whether a Chinese supplier is legally allowed to sell in the EU or North America. You don’t have to worry about that with us.
We take compliance very seriously.
✅ We hold the following certifications and compliance documents:
- CE Compliance
We provide Declaration of Conformity and technical files for all CE-marked parts. - GPSR (General Product Safety Regulation)
As of 2024, the European Union requires companies exporting general products to have an official EU Authorized Representative. We have already appointed EUREPSTAR GmbH in Germany as our authorized EU representative. - ISO-Based Internal Quality Standards
While we focus on product output, our internal management is based on ISO practices. - Material Certification
Full material traceability and testing reports are available for all batches. - RoHS & REACH compliance (on request)
For environmentally sensitive markets, we provide compliant finishes and documentation.
How We Support Your Orders: From Design to Delivery
We don’t just make parts — we help clients navigate the entire sourcing process.
That’s especially important for buyers who may be:
- Not fluent in Chinese
- Not familiar with international logistics
- Unsure of how to assess production feasibility
Here’s how we simplify your experience:
💡 Design & Engineering Support
Not all drawings are production-ready — and that’s okay.
We check your 2D/3D files for:
- Material suitability
- Process compatibility
- Cost-saving redesign suggestions
📦 Custom Packaging & Shipping Options
We help customers understand the real landed cost of their orders.
You can choose:
- FOB China port
- CIF your destination
- DDP (delivered with customs clearance)
We also offer:
- Custom logo cartons
- Palletization
- Moisture protection
- ISPM-15 compliant wooden crates
📋 Documentation & Inspection Support
We prepare everything you need:
- Commercial invoice
- Packing list
- Certificate of Origin
- Material and quality certificates
- Third-party inspection reports (SGS, BV, etc.)
🤝 After-Sales & Ongoing Support
Problems sometimes happen — but we don’t disappear.
You’ll always have access to:
- Direct communication with our English-speaking team
- Rework or refund policies for defective products
- Free samples on repeat orders (conditions apply)
- Support for annual price agreements
Why Customers Choose Us Again and Again
When you work with Dalian ZhongSheng, you’re not just buying a product — you’re investing in a long-term, worry-free supply chain partner.
Here’s what brings our clients back:
✅ Factory-level cost savings
✅ Transparent communication
✅ Reliable lead times
✅ Zero-surprise invoices
✅ Compliance assurance for EU, NA, Asia
✅ Hands-on support during every order
Many of our clients started small — one part, one order. Today, they trust us with full product lines, and some even visit our factory in person.
We know trust is earned — and we’re here to earn yours.
Let’s Work Together: Start Your Next Project with ZhongSheng
If you’ve read this far, you’re probably serious about finding a dependable metal parts manufacturer in China — and I want to personally thank you for considering us.

At Dalian ZhongSheng Metal Products, we believe in building real partnerships, not just fulfilling purchase orders.
We understand that:
- You need parts that perform
- You need a factory that delivers
- You need pricing that keeps you competitive
Whether you’re sourcing castings, CNC machined parts, forgings, or custom sheet metal — we’re ready.
Here’s what you can expect as our customer:
- Fast and accurate RFQ responses
- Engineering support and drawing optimization
- Transparent pricing with no hidden costs
- On-time production and shipping
- Certified, export-ready documentation
- A real factory partner that stands behind every shipment
📩 Get in Touch Today
We’d love to learn more about your metal parts needs.
📧 Email:marketings@china-casting.com
🌐 Official Website:https://china-casting.com
🛒 Alibaba Storefront:https://china-castings.en.alibaba.com/
Let’s make sourcing from China easier, faster, and more profitable for you.
Conclusion
Reliable metal parts. Certified quality. Factory-direct pricing.
This is what Dalian ZhongSheng delivers — every time.