The major products are the lift parts such as the car, hoist-way door, door machine , upper sill, speed governor, rope gripper, catch block , buffer etc.
销售的主要产品：导向轮、轿厢、厅门、门机、上坎、限速器、夹绳器、安全钳、缓冲器、绳头组合、五方通话、导轨等电梯部件，广泛应用于客梯、住宅梯、货梯等各类电梯。
The Main lift controller must steadily monitor the continuous pressure of the car push-buttons (open door and floor call push-buttons), performed by the Fireman controlling the installation.
电梯主控制箱必须能够稳定地检测轿厢按钮(开门按钮及楼层呼叫按钮)的持续压力，以便消防员能够控制整个电梯。
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