Ceramic handle second product overview of the land of spring

by:DIgao     2020-07-22
Metal polishing base has been implemented, address: AngYi fishing cross the village ( Wood group for land) Polishing machine number 800, now the relevant matters: - ->
second product overview of the ceramic handle place spring is
from the production point of view, in the spring of the worm gear structure makes the degree of compression spring is smaller than gear rack drive door closers, floor spring closing lever is short, so the quality of the floor spring on the dependence of the structure design and processing precision is higher. In addition, as a result of the two-way open doors along the door leaf surface has a great force on the floor spring, so cheap to the gap between the service life of the spring and high-grade floor spring.

this is the second product overview of the ceramic handle land of spring
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