Sign in | Join Now | Sitemap Inquiry Basket(0)
logo
Home > Sitemap

About Us

GYLDT CO., LIMITED GYLDT CO., LIMITED (Gongyi Liangda Tubes Co., LTD) is committed to firefighting equipment and pipe fittings design and production, is the leading manufacturer and supplier in China, the product range including: intelligent water fire monitors, image based fire detectors, rubber expansion joints, dismantling joints, metal expansion bellows, flap valves and Flanges, etc. GYLDT emphasizes on technology innovation and transformation. Namely, it was among the earliest ranks to make rubber joint since 1989; It obtained a patent for making reducing flange connection in 1991; It obtained a paten license for developing rubber butterfly valve in 1996; It studied and made advanced soft-sealing check valve in 1999; It innovated rubber joint ’s process and reached the...

Catalogue and Products

Fire Monitor


Intelligent Fire Monitor, Image Fire Detector,


Rubber Joint


Single Arch Type, Double Arch Type, Rubber Reducer, Full Face Flange Type, Threaded Union Type, Slip On Type, Duct Fabric Expansion Joint, PTFE lined Rubber Expansion Joint,


Dismantling Joint


Dismantling Joint, Flange Adaptor, Flexible Coupling, Dismantling Joint, Sperical Expansion Joint,


Expansion Bellow


Stainless Steel Braided Hose, Corrugated Expansion Joint, Balance Expansion Joint, Pressurized Expansion Bellows,


Duckbill Check Valve


duckbill check valve, XH81A Duckbill Valve, XH81B Duckbill Valve, Flange Mould Type Duckbill Valve, XH41B Duckbill Valve, Housed In Line Duckbill Valves, In Line Duckbill Valve XH41D, In Line Duckbill Valve XH81C,


Pinch Valve


Pinch Valves, Flange Air Pinch Valve,


Flap Valve


flap valve, Cast Iron Flap Valve, GRP Flap Valve, HDPE Flap Valve, Steel Flap Check Valves, Stainless Steel Flap Valves,


Expansion Joint


Steel Expansion Joint


Butterfly Valve


Triple Offset Butterfly Valve


Resilient Seated Flange Butterfly Valve


Resilient Seated Flange Butterfly Valve, Wafer type Butterfly Valve, Lug type Butterfly Valve, Flange Expansion Butterfly Valve,


Metal-Sealing Butterfly Valve


Metal-sealing Flange Butterfly Valve


Actuator Butterfly Valve


Butterfly Valve with Electric Actuator, Butterfly Valve with Pneumatic Actuator,


Check Valve


Wafer Check Valve


Wafer Check Valve


Swing Check Valve


Swing Check Valve, butterfly swing check valve,


Anechoic Check Valve


Anechoic Check Valve


Foot Valve


foot valve


Gate Valve


Resilient Seated Gate Valves


Resilient Seated Gate Valves, Rising Stem Resilient Seated Gate Valves, Buried Resilient Seated Gate Valves, Encryption Resilient Seated Gate Valves, Socket type Resilient Seated Gate Valves,


Metal-Sealing Gate Valve


Metal-Sealing Gate Valve


Actuator Gate Valve


Gate Valve with Electric Actuator, Gate Valve with Pneumatic Actuator,


Y Strainer


Y-Strainers