Why Choose KOSEN

We have the best designing and production capacity of Ball Valve

We have technical engineers ,skillful workers and professional equipments to design and manufacture satisfying valves to meet customer's requirements, and most of the valves exporting to American and Europe markets.All the valves conform to national and international advanced standards, such as ANSI,BS,DIN,GB, size:1/2"~48",class:150Lb-2500Lb,working temperature-196 degrees celsius to 680 degrees celsius.

  • 2000PSI/3000PSI/6000PSI Ball Valve
  • Oil Field Ball Valve
  • Floating Ball Valve
  • Trunnion Ball Valve
  • Fully Welded Ball Valve
  • Metal Seat Ball Valve
  • Top Entry Ball valve
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Quality First is KOSEN VALVE CO.,LTD. Philosophy.

KOSEN is one of the most professional valve manufacturers and suppliers in china.

Has the most advanced CNC processing machines, testing and automatic production equipments.

Has experienced technicians, production & sales teams armed with all kinds of research training.

Has professional order service procedures, with strict control of every step.

Has mature ITP plan for customers including UT, MT, PT, chemical composition test, hardness test, impact test, hardness test, cryogenic test, pressure test, etc.

The company has fast delivery capability

KOSEN cooperate with the best suppliers in the industry,promising the quality from the start of the valves production.

KOSEN have many semi-finished stock of the ordinary valve material so that we can delivery customer valves very fast.

KOSEN have rich experience of all kinds of material valves as bellow:

  • Stainless steel valves: CF8, CF8M, CF3, CF3M, 2205, 304/L, 316/L, 317L, 310S
  • Carbon Casting steel valves: WCB, A105, WCC, LCC, LCB
  • Casting iron valves: GG20, GG25, GGG40, GGG50, A536, A395
  • Aluminuim bronze: C95400, C95500, C95800
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Company has Passed the Certification

Once you choose KOSEN, We will offer you 18 months' product warranty period for after-sale service,and 24-hour technical support hotline are available, we provide routine maintenance as well as training service for troubleshooting of common faults,we provide the remote or on-site valve review, installation and operation technical guidance.For the quality problem,after technical support by telephone,professional customer service, Personnel will arrived at the scene when it is necessary, if any further service is required; technical consultation will be replied within 24 hours.We provide various forms of after sale service for free during the warranty.Solve problems and offer you satisfied service are our goal.

Mission and goals of the company

We have rich experience in production and international trade for all countries to provide quality services to customers.

KOSEN gives strict promise that we could supply client efficent and convenient service.

We manufacture world class valve and own market competitive price.We finish order form on time,supply perfect service,satisfy client's require in different aspects,keep most advantage in research technology market.

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