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WS-Seals Logo WS-Seals

Precision Sealing Solutions for Demanding Industries

WS-Seals manufactures high-performance hydraulic, pneumatic, and oil seals for industrial, automotive, mining, and engineering machinery. Trusted by global partners since 2018.

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Industrial Applications

Metallurgy, mining, agriculture, and light industrial machinery.

Automotive & Engine

Power steering, wheel hub, valve, and engine oil seals.

Custom Engineering

PTFE, PU, NBR, FKM, silicone, and composite seals.

About WS-Seals

Xi'an Wei Sheng Machinery Parts Co., Ltd. specializes in the development and production of advanced sealing systems used across metallurgical, mining, agricultural machinery, electrical, automotive, engineering machinery, and light industrial sectors.

With extensive experience in designing and manufacturing PTFE, PU, plastic, rubber, hardware products, engine parts, and mold processing, we deliver reliable sealing solutions tailored to your operational demands.

  • ISO-Qualified Manufacturing Standards
  • Custom Design & Rapid Prototyping
  • Global Export Experience
  • Material Expertise: NBR, FKM, PTFE, PU, Silicone
Factory Interior

Our Featured Products

Engineered for durability, precision, and extreme environments.

Carbon Filled PTFE Piston Ring

Carbon Filled PTFE Piston Ring

For GSE1ZW280 compressor – high wear resistance, low friction, ideal for high-temp applications.

Rear End Oil Seal

Rear End Oil Seal 2418F701

For Perkins Engine – reliable sealing under high pressure and rotational speeds.

PU Dust Wiper Seal

PU DHS Dust & Wiper Seal

Hydraulic cylinder spare part – protects rods from contamination and abrasion.

Silicone Rubber Cord

High-Temp Silicone Rubber Cord

Customized strips for extreme environments up to 300°C.

Wiper Ring Seal

NBR/FKM/PTFE Wiper Ring

IDU/ODU design for effective rod cleaning in hydraulic systems.

Mechanical O-Rings

FKM Mechanical O-Rings

High chemical and heat resistance – ideal for aggressive media.

Polyurethane Washer

Custom Polyurethane Washer

High precision, wear-resistant washers for dynamic sealing applications.

Labyrinth Oil Seal

Wheel Hub Labyrinth Oil Seal

Prevents leakage and contamination in high-speed automotive hubs.

Combi Seal

Combi 30-44-14 Oil Seal

For tractors – dual-lip design for enhanced sealing in agricultural machinery.

Rotary Seal

TC9 Rotary Shaft Seal

Standard shaft seal for pumps, motors, and rotating equipment.

Encapsulated O-Ring

FEP Jacketed Encapsulated O-Ring

Black cord design – combines elastomer resilience with chemical-resistant fluoropolymer jacket.

Spring Energized Seal

Hydraulic Spring Energized Seal

PTFE-based with spring loading – maintains sealing force under dynamic conditions.

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Why Choose WS-Seals?

Engineered excellence, backed by decades of industrial sealing expertise.

Material Innovation

Advanced compounds: NBR, FKM, PTFE, PU, silicone, and composites for extreme conditions.

Custom Manufacturing

Tailored seals to your exact specifications – drawings, samples, or reverse engineering.

Industrial Durability

Designed for mining, metallurgy, agriculture, and heavy machinery applications.

Global Supply

Exported to Europe, North America, Asia, and Africa with reliable logistics support.

1000+
Products Available
50+
Global Clients
15+
Years Experience
10K+
Units Shipped Annually

Frequently Asked Questions

What materials do you offer for seals?

We manufacture seals using NBR, FKM (Viton), PTFE, PU (polyurethane), silicone, EPDM, and composite materials including bronze-filled PTFE and carbon-filled compounds.

Can you produce custom seals?

Yes, we specialize in custom sealing solutions. Provide us with drawings, samples, or dimensions, and we’ll manufacture to your exact requirements.

What industries do you serve?

We serve automotive, mining, metallurgy, agriculture, engineering machinery, electrical appliances, and light industrial sectors.

Do you offer seal kits?

Yes, we supply complete hydraulic and pneumatic seal kits for cylinders, pumps, and motors. Contact us with your model number for compatibility.

What is your lead time?

Standard products: 7–10 days. Custom orders: 15–25 days depending on complexity. Express options available.

Get in Touch

Reach out for quotes, technical support, or custom sealing solutions.

Room 202, Recruitment Silk Road Bureau, Building C Gangxing Third Road, Baqiao District, Shaanxi Province, China
+86-152 2983 3229
allen@ws-seals.com

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