News

  • Our mission

    Our mission is to meet the needs of fire fighting by providing quality and innovation. CNG stocks a wide selection of “Grooved” style fittings. Cut Groove and Roll Groove fittings are a method of joining pipe and fittings together using couplings and gaskets. They are easy to install.We stock cou...
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  • Introduction of grooved fittings

    Grooved piping system is reliable and is faster to install than welding, threading or flanging, resulting in lowest installed cost. It can be adopted to suit standard pipe with cut grooves or standard and light wall pipe with rolled grooves. Couplings perform equally well under pressure and vacuu...
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  • Introduction of grooved fittings

    Grooved piping system is reliable and is faster to install than welding, threading or flanging, resulting in lowest installed cost. It can be adopted to suit standard pipe with cut grooves or standard and light wall pipe with rolled grooves. Couplings perform equally well under pressure and vacuu...
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  • China Fire Exhibition 2021

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  • Welcome to visit us.

    Today is the first day of Beijing Fire Protection Exhibition. It would be a great pleasure if you could visit us here Booth No.Hall W2,56/57 Date:Oct 12,2021—-Oct 15,2021
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  • CNG WILL ATTEND BEIJING EXHIBITION ON OCT 12 2021—OCT 15 2021

         Our company CNG will attend Beijing (CHINA FIRE) Exhibition on Oct 12 2021 to Oct 15,2021.Welcome to visit us,our booth number is Hall W2,56-57.We would like to communicate with you about our brilliant products.Thank you!
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  • Products Component

    Products Component

    Products Component  Housing Material:Ductile cast iron conforming to ASTM A-536,Grade 65-45-12 Surface Finish:Standard:Epoxy powder coating Optional:Galvanized(Zinc Plated、HDG)Dip painted Surface color:Variable color for choice Rubber Gasket Standard:EPDM. Optional:Nitrile,Silicone,Fluoroelastom...
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  • Products Presentation  Three traditional methods to connect steel pipes.

    Products Presentation Three traditional methods to connect steel pipes.

    Products Presentation  Three traditional methods to connect steel pipes,namely welding,flange connection and screw connection. CNG grooved piping system use the grooved couplings & branch outlet fittings as the key,supplemented by a variety of non-gasket pipe fittings.in order to meet the nee...
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  • About the CNG piping

    About the CNG piping

    The CNG piping method may be used for joining a variety of piping systems for a wide variety of services.It may be utilized for varied pipe sizes,pipe materials and wall thickness.Products are available to provide rigid or flexible systems.For specific product informatio...
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  • What are the safety aspects of grooved pipe fitting construction

    Compared with traditional pipe fittings. grooved pipe fittings have good safety during construction. reducing potential safety hazards and construction accidents. mainly in the following points. CNG. the manufacturer of grooved pipe fittings. told you: 1. The construction is convenient and the to...
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  • Function and advantage of grooved fittings.

    Three traditional methods to connect steel pipes,namely welding,flange connection and screw connection. CNG grooved piping system use the grooved couplings & branch outlet fittings as the key,supplemented by a variety of non-gasket pipe fittings.in order to meet the needs of customers,CNG als...
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  • The components of couplings

    The CNG piping method may be used for joining a variety of piping systems for a wide variety of services.It may be utilized for varied pipe sizes,pipe materials and wall thickness.Products are available to provide rigid or flexible systems.For specific product information relating to use on varie...
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