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Precision Stainless Steel
Products for Industry

Binzhou Dongli Stainless Steel Products Co., Ltd. specializes in the production, processing, and sales of precision cast stainless steel fast joints, pipe fittings, ball valves, and automotive accessories. Trusted quality, global delivery.

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About Binzhou Dongli

Binzhou Dongli Stainless Steel Products Co., Ltd. is a professional manufacturer specializing in the production, processing, and sales of precision casting, stainless steel fast joints, and pipe fittings. Our comprehensive product line includes camlock couplings, tank truck couplings, hose fittings with safety clamps, stainless steel pipe fittings, ball valves, flanges, and various custom metal joints.

We utilize advanced silicon sol wax-loss casting technology and are equipped with high-precision CNC lathes, spectrometers, hardness testers, and metallographic microscopes to ensure perfect internal and external quality control. All our products have passed ISO 9001 quality system certification and are manufactured in strict compliance with international standards.

10+
Years Experience
50+
Countries Served
ISO 9001
Certified
Dongli Factory

Our Products

High-quality stainless steel fittings, couplings, and valves designed for durability, safety, and performance in industrial, automotive, and fluid transfer applications.

SS Camlock Coupling

SS Camlock Coupling

Stainless steel cam and groove couplings for quick-connect fluid transfer systems. Available in 304/316 materials.

Stainless Steel 316 DIN/ISO Standard
PP Camlock Coupling

PP Camlock Coupling

Polypropylene camlock fittings ideal for corrosive fluid handling. Lightweight and chemical-resistant.

PP Material Anti-Corrosion
F-200 Coupling

F-200 Coupling

Heavy-duty stainless steel coupling with reinforced design for high-pressure applications.

Stainless Steel 304 High Pressure
E-200 Coupling

E-200 Coupling

E-type camlock coupling with ergonomic handle design for easy operation and secure connection.

E-Type Design 316L Available
DP-200 Coupling

DP-200 Coupling

Double pin camlock coupling for enhanced safety and vibration resistance in transport systems.

Double Pin Lock Tank Truck Use
DC-2 Coupling

DC-2 Coupling

Dust cap and camlock combo for clean and protected connections in dry bulk transfer.

Dust Cap Included Stainless Steel
D-200 Coupling

D-200 Coupling

Standard D-type camlock with smooth internal finish for low turbulence flow.

D-Type Polished Interior
Stainless Steel Ball Valve

Ball Valve in Stainless Steel

Full port ball valves with PTFE seals for reliable shut-off in pipelines and industrial systems.

316/304 Options Full Port Design
TW Coupling

TW Coupling / Tank Truck Coupling

Specialized couplings for tank trucks and bulk transport with high flow capacity and safety features.

Tank Truck Use High Flow
Hose Fitting with Safety Clamp

Hose Fitting with Safety Clamp

Secure hose connections with integrated safety clamps to prevent disconnection under pressure.

Safety Lock Stainless Steel
Pipe Fitting in Stainless Steel

Pipe Fitting in Stainless Steel

Elbows, tees, reducers, and unions in 304/316 stainless steel for industrial piping systems.

304/316 Material Various Sizes
Custom Metal Joints

Custom Metal Joints & Flanges

We offer OEM/ODM services for custom-designed metal joints, flanges, and automotive accessories.

Custom Design OEM/ODM

Our Advantages

Why customers worldwide trust Dongli Stainless Steel

Advanced Technology

Silicon sol wax-loss casting and CNC precision machining ensure consistent quality and performance.

High Quality, Low Price

Direct factory pricing with no middlemen. Premium materials and construction at competitive rates.

Complete Certification

ISO 9001 certified. All products undergo rigorous quality control and material verification.

First-Class Support

Dedicated technical and sales team ready to assist with product selection, customization, and logistics.

15,000+
Units Produced Monthly
50+
Countries Served
ISO 9001
Quality Certified
10+
Years in Industry

Frequently Asked Questions

What materials do you offer for your fittings?

We offer products in stainless steel (316, 304, 316L, 304L, 201), aluminum alloy, copper, PP (polypropylene), and nylon. Custom material requests are also accepted.

Can you provide custom designs or OEM services?

Yes, we specialize in OEM/ODM services and can manufacture custom metal joints, flanges, and automotive accessories based on your drawings or samples.

Are your products ISO certified?

Yes, our company has passed the ISO 9001 quality management system certification, and all production strictly follows these standards.

What is your typical delivery time?

Standard products are usually shipped within 15-20 days. Custom orders may take 25-35 days depending on complexity. We will confirm timelines upon order confirmation.

Do you offer samples?

Yes, we can provide samples for quality evaluation. Sample fees and shipping costs may apply depending on the product.

Get in Touch

For inquiries, quotes, or technical support, please visit our official website to contact Binzhou Dongli Stainless Steel Products Co., Ltd.

Company: Binzhou Dongli Stainless Steel Products Co., Ltd.

Address: Haifeng Second Road, West Industrial Park, Wudi County, Binzhou City, Shandong Province

Tel: +86-543-6421581

Fax: +86-543-6427550

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