Say what is true
If a mill cannot hold the tolerance, we say so before the order rather than after the inspection. If a lead time is optimistic, you hear it while you can still plan around it.
About PONHAN
Built for the distance between a purchase order and a factory floor.
A Malaysian company, API-licensed plants in China and Vietnam, and one name on the file when something needs fixing.
Home / About
Why we exist
Buying valves from China is not one problem. It is four.
Finding a mill that can actually hold the tolerance. Getting a price whose logic you can see. Proving the goods match the certificate. Shipping them without the paperwork falling apart between the factory gate and your receiving dock.
Most buyers solve those four with four different companies, then spend their week reconciling what the four of them say. PONHAN was set up to keep them in one place, under one contract, with one person answering the phone.
We are deliberately narrow. Valves, valve components and the castings and forgings that go into them — because a supplier network is only worth having if it is deep enough to give you a real second option.
The structure
Three countries, split on purpose.
The commercial side sits in Malaysia. Manufacturing and execution sit where the factories are. Neither is a forwarding address for the other.
MALAYSIA Contract & accountability
- Contracting partyYour purchase order is placed on PONHAN SDN. BHD., with the terms, warranty and liability that go with a Malaysian entity.
- Invoicing and trade documentsCommercial invoice, packing list, certificate of origin and shipping documents issued from one place, consistently.
- English-language communicationSpecification review, quotations, inspection reports and claims handled in your working language and time zone overlap.
- Commercial resolutionIf it comes to a claim, you deal with a company in a jurisdiction you can reason about.
CHINA Manufacturing & execution
- Group plants under API monogram licencePONHAN Valve (Suzhou) Co., Ltd. operates licensed plants in Suzhou and Dongtai, Jiangsu — gate, globe, check, ball, butterfly and pipeline valve ranges (API 600 / 602 / 603 / 608 / 609 / 594 / 6D, plus API Spec Q1).
- Supplier developmentFactory audits, sample qualification and second sourcing across the main valve manufacturing clusters — inside and beyond the group.
- Inspection at the hold pointDimensional checks and witnessed pressure tests while the parts are still on the floor.
- ConsolidationParts from several mills collected, checked and packed into one shipment.
- Claim handling in the mill's languageRework and corrective actions negotiated directly, without you in the middle of it.
VIETNAM Licensed manufacturing
- Ponhan Valve International (Vietnam) Co., Ltd.Plant at Nhon Trach District, Dong Nai — API 600 (600-0040) and API 6D (6D-2177) monogram licences, both active.
- A second country of originDiversification against single-country risk — useful when duties, capacity or lead times argue for an alternative origin.
- Same quality systemAPI Spec Q1 governance and the same inspection gates applied as in the Chinese plants.
Company details
On the record.
The details a purchasing department needs before it can raise a vendor request.
| Legal name | PONHAN SDN. BHD. |
| Registration no. | 202601030208 (1692303-P) |
| Incorporated | 3 August 2026 |
| Jurisdiction | Malaysia |
| Location | Kulai, Johor, Malaysia |
| Business activity | MSIC 46599 — wholesale trade of machinery and equipment; import and export of industrial valves, components, castings and forgings |
| Group plants | PONHAN VALVE (SUZHOU) CO., LTD. — Suzhou & Dongtai City, Jiangsu, China Ponhan Valve International (Vietnam) Co., Ltd. — Nhon Trach District, Dong Nai, Vietnam |
| API licences | 11 active monogram licences across API 600, 602, 603, 608, 609, 594, 6D and API Spec Q1 — see full list |
| Contact | james@liyangliyuan.com +60 19 767 9888 |
How we operate
Three rules we do not bend.
One name on the file
Every order has one person accountable for it, from quotation to bill of lading. Not a shared inbox, not a group chat, not "the sourcing team".
Fix it where it was made
Rework, sorting and root-cause work belong at the factory. Sending a defective lot across an ocean to prove a point is expensive for everyone.
Want to see how we would approach your category?
Send one part number. You will get a sourcing plan you can critique — which is more useful than a capability statement.