Established in 1989, GYLDT is an industry leader in develop and manufacturing rubber expansion joints, duckbill check valves, dismantling joints, flap valves and other pipe fittings.

Over the more than 30 years, our company adheres to modern scientific management system, precision manufacturing. Product quality is life, and scientific innovation is motive power. Providing superior quality products and excellent service to meet customer needs across a diverse range of industries.