Ningbo Jiangbei Cola Musical&Damper Co., Ltd. specializes in the manufacture and export of various rotary dampers used in many fields. Our main products include piano dampers, electric cooker dampers, toilet seat dampers, washing machine dampers, theater seat dampers and various dampers used in kitchen ware, furniture, etc.



Our company expanded our business to architectural hardware industry since 2009. After 3 years R&D, we have successfully created the most cost-effective hydraulic auto-close door hinge which will definitely revolutionise the traditional door closer...