About PORO Valve

 

Zhejiang PORO Valve Manufacturing Co., Ltd. was established in 1997 with overseas investment. The company is based in Wenzhou, Zhejiang, China, and operates a 23,186 m² manufacturing facility for industrial valve production.


PORO manufactures and supplies forged valves, gate valves, globe valves, check valves, butterfly valves, ball valves, cryogenic valves and strainers. Its products are used in petroleum, chemical, electric power, iron and steel, shipbuilding and water treatment applications.

Company Information

 

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Company Information

Legal Company Name

Zhejiang PORO Valve Manufacturing Co., Ltd.

Established

1997

Location

Wenzhou, Zhejiang, China

Factory Area

23,186 m²

Employees

75+

Dealer Network

900+

Main Business

Industrial valve manufacturing and supply

Historical Annual Business Volume

Up to RMB 40 million

 

Factory & Production Base

PORO operates its manufacturing facility in Wenzhou, Zhejiang, with dedicated areas for valve processing, assembly, inspection, warehousing, and shipment preparation.

Processing Area

Supports precision machining of valve bodies and components, directly affecting dimensional accuracy and assembly fit.

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Assembly Area

Ensures proper component installation and consistent valve performance.

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Inspection Area

Verifies dimensions, pressure performance, sealing, and overall product quality before shipment.

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Warehousing Area

Provides organized storage of components and finished valves, helping maintain product condition and order accuracy.

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Shipment Preparation Area

Supports final product handling, packing, and order preparation, reducing the risk of damage or delivery errors.

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Manufacturing Scope

PORO's manufacturing range covers:

Forged Valves

Gate Valves

Globe Valves

Check Valves

Butterfly Valves

Ball Valves

Cryogenic Valves

Strainers

The product range includes carbon steel, low-temperature carbon steel, stainless steel, duplex stainless steel and alloy steel materials.
Valve specifications are supplied according to applicable ANSI, DIN, BS, JIS and GB standards. 

 

Quality Control

 

 

 

Quality control covers three main stages of production.

Incoming Material Inspection

Materials and purchased components are checked against the order and applicable technical requirements before entering production.

 

In-Process Inspection

Machining, component dimensions, assembly and other production stages are checked during manufacturing to identify deviations before final inspection.

 

Finished Valve Inspection

Completed valves undergo final inspection according to the applicable product requirements, including dimensional, visual and relevant performance checks required for the specific valve.

 

 

Inspection records and quality documentation are provided according to product and order requirements. 

 

Product Materials & Standards

 

PORO's product range covers: 

Materials:

Carbon Steel | Low-Temperature Carbon Steel | Stainless Steel | Duplex Stainless Steel | Alloy Steel

Standards:

ANSI | DIN | BS | JIS | GB

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Export Markets & Customer Base

PORO supplies products to international markets including:

Its customer base includes valve dealers and distributors, importers, industrial procurement organizations, EPC and MRO procurement teams, equipment manufacturers and industrial end users.
The company's 900+ dealer network provides an established distribution channel for its valve products.

ASEAN

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Europe

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South America

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Middle East

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Africa

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