Ningbo Pentagon Damper Corporation located in Ningbo National Hi-tech Zone. It is a technological enterprise engaged in R&D and manufacture of hydraulic damping products. Base on self-developed intellectual property rights, the pentagon company focus on production of high-precision core components, as well as assembling and testing of the overall products.

At present Pentagon’s main products are piano damper and door control damper. Pentagon has a strong technical team of 30 engineers and 6 R&D staffs. Till now it has got six national invention patents and more than ten utility model patents. Through optimizing hydraulic structure, improving hydraulic oil and other material formulation, pentagon products possess superior advantage on cost and lifespan when compared with similar products. The company also develop various production and testing equipments to ensure the stability and quality of products, such as: machining center, multi-function hydraulic hinge test board, torsional spring fatigue testing machine, water pressure air tightness testing machine, high-precision oiling machine, automatic welding equipment and dedicated machinery equipments .

In 2015, the Pentagon company has been successfully listed on the “new third board”. It persist in the principle of quality first, integrity-based, people oriented and independent innovation. Through the continuous pursuing of high quality and service. Pentagon is commited to build itself a valuable intelligent hardware brand in China .