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.
Backed by engineering review, 24-hour technical response, and 18 months of warranty coverage, we make valve sourcing more predictable for gas transmission, district heating, and industrial flow control projects.
Why Choose Us
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 standard stock lead time supported by 30+ CNC centers 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+ valves 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.
