General Manager Office:

Sales Tel:

Ministry of Foreign Trade Tel:

Domestic Trade TEL:


Zip Code: 325105

About us HOME > About us

Zhongtai Valve Co., Ltd., hereunder called CZTV, located in “the hometown of Chinese Pumps & Valves” – Wenzhou city, Zhejiang province. There are two manufacturing plants in Oubei & Xuao, with covered area about 2000m2, production area about 26000m2, and office area about 3000m2.

Was founded in 1998, CZTV has been specializing in the steel valvesengineering research and development, manufacturing, marketing/sales and services. Based on the valve production line, forging shop, machining workshop, assembly workshop, testing, painting workshop etc. CZTV has built up a dust-free assembly & test room, high temperature test, TAT test and cryogenic test center, physical & Chemical Laboratory, and set up the complete ISO quality systems, acquired API, CE/PED and TS certificates, ensuring offering the products with stable and trustworthy quality products to customers.

An ERP system combined with a barcode tracking system are installed to ensure the full traceability of the product from the receipt of raw materials to the shipment.

Testing rigs and benches can handle up to 36”. An underground bunker complete with cameras and automatic leakage detection systems are used to carry out gas testing, at ambient, high and cryogenic temperature (down to -196°C).

An in-house laboratory is available for carrying out testing such as:


l Mechanical testing, Impact testing, Chemical Test, Hardness test

Manufacturing STD: ASME, API, ANSI, JIS, DIN, BS & GB etc.

Valve Type: GGC, Ball valves, Pressure sealed valves, Bellows sealed valves, Cryogenic valves, Power station valves.

Valve size: 1/2”-24”

Pressure rating: CL150# - CL4500#

Material: CS, SS, Duplex, Alloy steel, Special alloy (Monel, Inconel, Hastelloy etc.)

As an export-oriented manufacturer, CZTV has already supplied large quantities of valves to overseas market, which covers North American, South American, South-East Asia, Middle-east and Europe, and the valves have been widely used in the industries & fields of Oil & Gas, Petroleum Refining, Petrochemical, Power Plant, LNG, Industrial Gas Production etc.