Ningbo Pentagon Damper Technology Co., Ltd. is a scientific and technological enterprise which focus in the production of innovative hydraulic door controls, piano dampers, appliance dampers, etc. Locates in the port city Ningbo. More than 10 years, it has been committed to R&D of various of piano fallboard soft close device, has obtained a variety of patents, and captured 20% share of the global piano damper market. We have accumulated mature and advance experience through the process of keep improving our products and supplying satisfactory customized products to many public companies. Pentagon technology is gradually becoming an internationally competitive enterprise in hydraulic light industrial application area. Our current main developing products are non-digging floor spring and hydraulic door hinges. It has been paid more and more attentions by worldwide customers for the scientific design, high precision, nice appearance, reliable performance and long life.
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