• YOY Group Co., Ltd.

Founded in 1984, YOY Group Co., Ltd. covers an area of ​​18,000 square meters (the new bridge Industrial Park covering an area of ​​58,000 square meters is under construction) with a registered capital of more than 100 million. The company has a modern machining center with more than 500 sets of CNC machine tools, machine tools and other equipment and a large vertical lathe which can process valves with the diameter up to 3.5 m. Also, the company has special equipment for metallic materials physical and chemical testing, mechanical properties of mechanical tests, ultrasonic thickness measurement, nondestructive testing, spectroscopy, metal heat treatment, the safety valve full performance testing center, the spring tension and compression testing. 

The main products of YOY Group include safety valve, butterfly valve, ball valve, gate valve, globe valve, as well as non-standard valve with more than two thousand specifications. Our products can be designed and manufactured in accordance with the latest ANSI, API, DIN, BS, JIS, GB standard. Our valves can be produced by the main body of the valve material WCB, WC1, WC6, WC9, ZGCr5Mo, ZG15Cr1Mo1V, CF8, CF8M, CF3, CF3M, 12CrMoV, ZG1Cr18Ni9Ti, ZG1Cr18Ni12Mo2Ti; drive form manual, worm gear, electric, pneumatic, hydraulic, electro - hydraulic linkage; nominal diameter from DN10 to 3000 and 1/2 "to 36"; working pressure from 0.6 to 42.0 Mpa and 150Lb 2500 Lb; operating temperature of -196 oC, 700 oC. The products are widely used in power plants, boilers, petroleum, chemical industry, urban construction, pharmaceuticals, chemical fertilizer, metallurgy, mining and other industries, some of the products instead of imports, applied to the key equipment of the national key projects.

The company currently employs 500 people, including more than 50 technical staff and managers, specializing in valve design, process, test and service work. The company has a CAD workstation, CAAP development center, service center dynamic simulation of product design, to ensure that meet the demanding conditions required.

yoy group


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