Gongyi Liangda Tubes Co., Ltd

Gongyi Liangda Tubes was established in ***** name is Gongyi Changfen Village Mechanical Check Factory. In ***7, it was transformed into a limited company (Gongyi Liangda Tubes Co., Ltd, and GYLDT.LTD for short). Since its foundation, our company is specialized in the products of rubber check valves ( duckbill valves), steel expansion joints, rubber expansion joints (flexible rubber joints)and flanges. We apply ourselves to the design and production of valves and pipes fittings. And we have the capacity of advanced design, development, and supply. We can design products by the request of customers. As a result, we have received a favorable reception of our cooperative partner for many years. We have begun to make and design the rubber expansion joints since ***6.and in ***3 we produced the duckbill valves (Patent Number: ZL ***3 2 ******6.0) in the country. The duckbill valve has passed the quality inspection report (JJ********0 Gongyi Technical supervision Bureau). Therefore, we have maintained the leading position in the rubber check valves (duckbill valves) and rubber expansion joints at home. In ***7, we first produced curved duckbill valve(**0 degrees tum) in China, filling the domestic blank. Our company owns 3 large high temperature vulcanization cans, 7 small high temperature vulcanization cans , 2 stereotype cabinets, 1 large steam curing equipment (2 tons), one small steam curing equipment (0.5 tons) , 6 lathes, 2 drill presses, 1 planer, 1 milling machine , and 9various weld machines. In order to guarantee the quality, our company gets a set of rubber joint pressure testing machine, which can test DN******0 rubber joint, and a set of flexible connectors pressure testing machine, which can test all DN******0 joints. In addition, our company specially designed 1 testing machine of duckbill valve with the leading position in China. Leading technology innovation, advocating good quality. GYLDT, develops with you hand in hand.