With a group of highly professional designers and operators, advanced manufacturing and inspection equipment, our company designs and produces only the best quality exhaust gate valve, rovalve knife gate valve, two way diverter gate . We look forward to serving your business. The company adheres to the tenet of "sincerity-based, reputation first", constantly innovating and improving; and constantly improving after-sales service and service network. With the most reliable quality and the best service, we provide customers with the highest quality and the greatest discount on automatic knife gate valve equipment requirements! Aiming to grow to be by far the most experienced supplier within this sector, we keep researching on the creating procedure and raising the high quality of our principal merchandise. As a domestic company with a good reputation, we wholeheartedly provide customers with good after-sales service, including product design, installation, training, maintenance, etc. At the same time of economic development, our company vigorously promotes the construction of corporate culture, cultivates the common values and sense of honor of employees. "The pursuit of excellent quality, manufacturing fine products, creating value for customers" is our eternal pursuit and sacred mission, and "integrity, innovation, performance, harmony, service and safety" is our core management philosophy. A good product speaks for itself and brings higher added value. Through efficient management, we manage and control products in an all-around way, from design to finished product level optimization. We hope to bring great convenience to our customers through our services. Honesty, responsibility, efficiency and innovation are our corporate spirit, and growth in development is our corporate philosophy.
  • Non-rising Stem Cast Steel Gate Valve
    In pipeline systems, some spaces are narrow—ordinary valves take up space and are hard to maintain when installed. Our non-rising stem gate valve from Zhengmao Valve is specifically designed to...
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  • API Gate Valve
    ① Main material: carbon steel, stainless steel, alloy steel
    ② Nominal diameter: NPS 1/2 "to NPS 36"
    ③ Pressure range: CL150 to CL1500
    ④ Operating...
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  • API Pressure Seal Gate Valve
    ① Main material: carbon steel, stainless steel, alloy steel
    ② Nominal diameter: NPS 2 "to NPS 24"
    ③ Pressure range: CL900~CL2500
    ④...
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  • Jacket Gate Valve
    ① Main material: carbon steel, stainless steel, alloy steel
    ② Nominal diameter: DN15 to DN800
    ③ Pressure range: 1.0 MPa to 10.0 MPa
    ④...
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  • Flat Gate Valve
    Main Dimensions Data PN4.0MPa PN5.0MPa(Class300) Main connection dimension PN4.0MPa PN5.0MPa(Class300) PN6.4MPa
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  • API Titanium Gate Valve
    Friends who do foreign trade or work on projects with European and American standards know that the biggest worries when choosing a gate valve are "non-compliance with standards and inability to...
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  • Large Bore Electric Gate Valve
    Friends in engineering or production management all know that when it comes to controlling large-flow, high-pressure media in pipelines, you need to choose a valve that’s "tough and precise". Our...
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  • Vacuum Gate Valve
    Anyone in industrial production knows that if a valve fails, the entire production line has to stop. This vacuum gate valve made by our Zhengmao Valve is designed to "have fewer problems and do...
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  • Cryogenic Drip Pan Gate Valve
    In industries like chemical engineering and LNG that require cryogenic operations, if the valve can't withstand the cold, leaks or gets stuck, it will cause big troubles. This cryogenic gate valve...
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  • GB Gate Valve
    Friends in engineering and production management all know that valves must be compliant and durable. This national standard gate valve from Zhengmao Valve is designed in full accordance with...
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  • API Pressure Seal Gate Valve
    In places like chemical plants and power stations with large-diameter pipelines, the difficulty of opening and closing valves has always been a big problem—but the bevel gear gate valve from...
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  • Rising Stem Resilient Seated Gate Valve
    The open elastic seat gate valve has the advantages of elastic seat gate valve, and can display the valve opening more intuitively, and open and close quickly and reliably, so it is...
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Connie Ramos star star star star star
We are very honored to cooperate with your company, we also take the opportunity of this cooperation, and try to learn from your good points.
Melody Richards star star star star star
The company completed the delivery with us within the time limit stipulated in the contract, and the products are very easy to use and beautiful in appearance.
James Allbright star star star star star
Your delivery was very fast and there was no damage in transit!
Robert Scott star star star star star
The manufacturer's products are beautiful and tidy, reasonably priced, and look very high-end. You can buy them with confidence like me.
Sarah McLean star star star star star
Your people work hard and are able to think for themselves and have excellent understanding.
Rhonda Bonomo star star star star star
I will continue to cooperate with you next time!
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Enterprises are pursuing economic benefits, which is an inevitable requirement for the survival and development of enterprises. Our rovalve knife gate valve, GB Standard Gate Valve, T type Filter make great contributions to the improvement of our economic benefits. We're known as one of the most professional automatic knife gate valve manufacturers and suppliers in China. With over 30 years' experience, we warmly welcome you to wholesale high quality automatic knife gate valve made in China here from our factory. Contact us for more details.
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