OEM & ODM

24/7 Support

Build a more reliable valve sourcing network with HAOGUANG, a fully welded ball valve manufacturer serving distributors and engineering contractors worldwide.
 
Whether you require OEM & ODM production or custom specifications, we help ensure dependable valve supply.
Supported by engineering review, technical response within 24 hours, and up to 18 months of warranty coverage, we support smoother valve procurement while supporting your growth in gas transmission, district heating, and industrial flow control projects.

Why Choose Us

We Are Your Reliable Valve Manufacturing Partner.

Low MOQ Support

We support one unit MOQ for custom valve manufacturing, helping OEM buyers validate fully welded ball valve specifications early.

Fast Valve Sample Delivery

12-hour sample turnaround enables rapid testing of sealing structure, materials, and flange compatibility for pipeline applications.

Stable Industrial Valve Production

7-day lead time supported by 30+ CNC machining and 6+ production lines ensures consistent supply for global valve distributors.

API Certified Quality Assurance

All valves undergo API and ISO 5208 testing ensuring zero leakage performance for gas and heating flow control systems.

Customize Your Valve Solution

Customization Item Available Options
Valve Type Fully Welded Ball Valve, Ball Valve, Gate Valve, Globe Valve, Check Valve, Butterfly Valve, Strainer
Size & Pressure DN15–DN2500 (NPS 1/2"–100"), PN10–PN400, Class 150–2500
Valve Materials 20#, WCB, WC6, WC9, CF8, CF8M A105, LF2, F11, F22, F304, F316, F9, F91, F55 and More
Sealing Structure PTFE, RPTFE, Metal Seat, Fire-Safe Design
Flange Standard ANSI, DIN, EN, JIS, GOST or Custom Drawings
Operating Temperature Standard, High-Temperature, Low-Temperature (-46°C)
Surface Treatment Standard Painting, Epoxy Coating, Anti-Corrosion Treatment
Actuation Manual, Gear, Pneumatic, Electric

Partner with Us


1

Share Your Project Needs

You send drawings or operating data, and we quickly map the right OEM valve configuration for your system.

2

Engineering Confirmation

We review structure, material selection, and sealing design to ensure reliable performance in critical valve applications.

3

Get a Sample Within 12 Hours

Fast sample response and CNC prototyping help you verify performance before bulk valve production.

4

Start Stable Production

200,000+ annual capacity ensures your valve orders stay on schedule with consistent quality and batch reliability.

5

Reliable Global Delivery

We coordinate inspection and export delivery to keep your pipeline projects on schedule across 30+ countries.