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,Rubber Joint,Dismantling Joint,Duckbill Check Valve
About Us

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 detectorsrubber 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 international level in 2002; It made duckbill valve in 2004 and innovated duckbill valve’s process in 2006 and buried soft-sealing check valve was also developed at the same year; The newest plate bearing compensator has been developed since 2009; Since 2013, our team began to research intelligent firefighting equipments.

GYLDT adheres to the management innovation, insisting product’ s quality can be ensured by effective management. As a reward of effective management,its product got permission of being used as drinking water; GYLDT was approved as the “China Green Star” and obtained ISO9001-2000 Quality System Certification in 2010;and it also won certification from Environmental Management System and Occupational Health and Safety Management System in 2012.

Good production equipments,testing equipments and professional staff are key factors of making good brand products of GYLDT, w-hich enjoy highly reputation of customers both at home and abroad.

GYLDT carries out overseas sales business since 2009, who acclaimed by customers from the area where its products sale like Europe, the Middle East, southeast Asia, America etc for its excellent quality and aftersale guarantee.

In addition to FOB, CIF etc to traditional oversea customers, GYLDT also provided DDP and other delivery types to meet im-porters without import license,which is one of few manufactures of providing such service in China.

GYLDT is being with you forever!

Company Profile
  Basic Information  
  Company Name: GYLDT CO., LIMITED
  Business Type: Manufacturer
  Product Range: Intelligent Fire Monitor, image based fire detector, Rubber Expansion Joint, Dismantling Joint, Stainless Steel Braided Hose, Duckbill Check Valve
Contact Us
  • Company Name: GYLDT CO., LIMITED
  • Tel: +86 371 60388868/67653299
  • Fax: +86 371 67636798/64018858
  • Email:
  • Office Add.: 8-F Building-A CC International Center, Zhongyuan District, Zhengzhou, China
  • WebSite:
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