... 炉门衬圈 fire door hole ring; fire hole ring; 炉门挡板 door damper; 炉门护板 fire door shield; ...
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ZMC Products Co. , Ltd. Professional production of the entire buffer out of 45 slides, 45 buffer slide, slide damper, Door stopper, Door Holder, furniture, concealed hinges, hinge.
佛山市顺德区制美五金制品有限公司专业生产全拉出45缓冲滑轨、45缓冲滑轨、滑轨阻尼器、门吸、门碰、家具暗铰链，合页。
The hydraulic damper only needs to be fixed on a door and a doorframe when used.
使用时只需将它固定在门和门框上即可。
The hydraulic damper can close the door automatically by means of torque energy stored when the door is opened.
它可以利用开门时蓄存的扭矩能量，自动将门关闭。
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