KOJO Valve – Precision Industrial Steel Valves

Trusted manufacturer of high-performance ball, gate, check, plug, globe, and butterfly valves for oil & gas, petrochemical, power generation, mining, and marine industries since 1997.

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About KOJO Valve

Established in 1997, KOJO Valve Co., Ltd. is one of China's leading manufacturers of industrial steel valves. We specialize in designing, manufacturing, and marketing advanced technology valves for demanding applications across multiple industries.

Our product range includes forged steel and cast steel ball valves, gate valves, check valves, plug valves, globe valves, and butterfly valves in various materials and configurations. We serve critical sectors including oil & gas, petrochemical, power generation, pulp & paper, mining, and shipbuilding.

1997

Founded

25+

Years Experience

50+

Countries Served

Quality Assurance

KOJO is committed to zero defects. We strictly follow the ISO 9001 quality management system, with rigorous control from raw material sourcing to final shipment. Our in-house laboratory and advanced testing equipment ensure every valve meets the highest standards.

Chemical Analysis

Precise material composition verification using spectrometers and lab testing to ensure alloy integrity.

Mechanical Testing

Tensile, hardness, impact, and fatigue testing to validate structural performance under extreme conditions.

In-Process Inspection

Continuous monitoring at every stage of production to prevent defects and ensure consistency.

Our Valve Products

Engineered for reliability, durability, and performance in the most challenging industrial environments.

Forged Steel Trunnion Mounted Ball Valve

High-pressure, heavy-duty design ideal for oil & gas applications. Available in API 6D compliant configurations.

Floating Ball Valve

Compact, cost-effective solution for general industrial use with excellent sealing performance.

Cryogenic Gate Valve

Specially designed for LNG and cryogenic service with extended bonnet and low-temperature materials.

Top Entry Ball Valve

Allows in-line maintenance without removing the body from the pipeline. Ideal for high-cycle applications.

Slab Gate Valve

Full-bore design with through-conduit flow. Commonly used in pipeline and pigging applications.

Fully Welded Ball Valve

Leak-tight design with no external flanges. Ideal for buried or high-risk applications.

Pressure Seal Gate Valve

Designed for high-pressure steam systems. Self-sealing under pressure for enhanced safety.

3 Way Ball Valve

Multi-port configuration for flow diversion or mixing. Available in L or T port designs.

Why Choose KOJO Valves

API & ISO Certified

Certified to API 6D, 602, 607, TS, and ISO 9001 standards. Full traceability and documentation provided.

Industrial-Grade Materials

Forged and cast steel construction with options in stainless steel, duplex, and exotic alloys.

Leak-Proof Design

Double block & bleed, fire-safe designs, and anti-static features ensure maximum safety.

Global Support

Serving clients in over 50 countries with responsive technical and after-sales support.

Customization Available

Tailored solutions for pressure, temperature, materials, and actuation requirements.

Fast Delivery

Efficient production and logistics network ensures on-time delivery worldwide.

Certifications & Compliance

KOJO Valve continuously strengthens R&D and implements innovative techniques with strict quality control and in-process inspection to ensure excellent quality and high performance of every product.

API 6D

API 602

API 607

TS Certification

ISO 9001

All products undergo rigorous testing including shell and seat testing, fire-safe testing, and material traceability verification.

Frequently Asked Questions

What industries do KOJO valves serve?

Our valves are used in oil & gas, petrochemical, power generation, pulp & paper, mining, marine, and LNG applications.

Are your valves API certified?

Yes, our valves are certified to API 6D, 602, and 607 standards, ensuring compliance with international industry requirements.

Can you customize valves for specific requirements?

Absolutely. We offer customization in materials, pressure ratings, end connections, actuation, and special testing as needed.

What is your typical delivery time?

Standard products ship within 4-6 weeks. Custom orders vary based on complexity and are confirmed at time of order.

Do you provide technical support?

Yes, our engineering team provides full technical support including selection, installation guidance, and troubleshooting.

Contact KOJO Valve

Reach out to us for product inquiries, technical support, or custom solutions. We respond to all messages within 24 hours.

Contact Information

Phone: +86 1373 6707 777
Office: 0086-577-67257777
Fax: 0086-577-67969555
Email: info@kojocn.com
Alternate Email: kojovalves@gmail.com
Address: Dongou Industrial Zone, Yongjia, Wenzhou, Zhejiang, China
Post Code: 325105
Office Hours: Mon-Sat, 8:00 AM - 5:00 PM (GMT+8)

Connect With Us

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