Valves & Fittings Manufacturers in Hangzhou
Hangzhou, Zhejiang accounts for 14 of the 318 valves & fittings manufacturers in our directory — about 4% of the national total, and 2.8% of every factory we list in the city. The work here concentrates on pipe fittings, then valves & fittings. None of them carry a verification mark yet, so document checks matter more than usual.
What they make in Hangzhou
Product mix across the 14 listings, by how many factories name each line as their main output:
| Product line | Factories | Share |
|---|---|---|
| Pipe Fittings | 3 | 21% |
| Valves & Fittings | 2 | 14% |
| Check Valve | 2 | 14% |
| Valve | 2 | 14% |
| Valves | 1 | 7% |
| Sanitary Pipe Fittings | 1 | 7% |
Where Hangzhou sits in valves & fittings
Hangzhou is a niche pocket for valves & fittings, holding only 4% of the suppliers of this line in our directory. Fewer options, but also less competition for the same capacity, which sometimes shortens lead times when the big clusters are fully booked.
| City | Factories | Share of industry |
|---|---|---|
| Wenzhou | 40 | 13% |
| Taizhou | 22 | 7% |
| Ningbo | 20 | 6% |
| Shanghai | 14 | 4% |
| Hangzhou | 14 | 4% |
| Cangzhou | 11 | 3% |
| Tianjin | 7 | 2% |
| Suzhou | 6 | 2% |
Before you request a quote
Valve production clusters in Zhejiang (Wenzhou, Taizhou) and Jiangsu. Pressure test reports and material traceability are the two documents that separate genuine manufacturers from assemblers.
What to put in the RFQ
Most price gaps between Hangzhou suppliers come from the brief, not from the factory. Include these and the comparison gets honest:
- Drawing or spec sheet, with tolerances and the critical dimensions marked.
- Material grade and any substitution you would accept.
- Surface finish, colour reference and packaging method.
- Sample quantity, trial order quantity and expected annual volume.
- Certification the product must carry, and who pays for the testing.
- Trade term and destination port, so freight is priced the same way.
- Required delivery date, plus how much slip you can absorb.
- Inspection method: who inspects, at what stage, and against which standard.
How to check a supplier before you pay a deposit
Company names in a directory tell you who exists; they do not tell you who can actually run your order. In Hangzhou the checks that catch most problems are the boring ones: the business licence name matches the factory address on the contract, a live video walk-through shows the machines the process needs rather than a showroom, and the test report is issued for the material you specified rather than a generic certificate. Put the inspection stage, the acceptance standard and the payment split into the contract — a 30/70 split against a pre-shipment inspection is normal, full payment up front is not.
Our own verification steps are documented on how we verify a factory.
Questions buyers ask
How many valves & fittings manufacturers are there in Hangzhou?
Our directory lists 14 valves & fittings manufacturers in Hangzhou, Zhejiang. That is about 4% of all valves & fittings suppliers we track across China, and 2.8% of every factory we list in the city.
What do factories in Hangzhou make?
The main lines are pipe fittings, valves & fittings, check valve.
How do I verify a valves & fittings supplier in Hangzhou?
Check that the licence name matches the factory address, ask for a live walk-through of the production line, and require a test report for the material you specified. Our verification checklist is published at /en/how-we-verify.
Should I visit Hangzhou before ordering?
A visit is the fastest way to judge capacity, but it is not the only way. A video walk-through with the machine list, a sample run and a third-party pre-shipment inspection cover most of the risk on a first order.
Valves & Fittings in other cities
Other manufacturing in Hangzhou
- Machine Tools 20
- Cables & Wires 20
- Instruments & Metering 19
- Industrial Machinery 17
- Hardware & Tools 16
- Medical Devices 14
- Furniture & Home Goods 13
- Metals & Alloys 13
Sourcing valves & fittings from Hangzhou?
Browse every valves & fittings listing in the directory, or send the specification and we will shortlist factories in this city that can actually make it.