in-service life

The die proved to be high efficient in production, stable in operation and long in service life.

The door lock is reliable, and the electromagnet is short in electricity-obtaining time and long in service life.

Its running and maintaining measures on substation valve control type lead acid accumulator were put forward to prolong its in-service life.

characteristic: High luminous efficiency, Long in service life, good photochromism .

The result is a smoother surface , lower contact stresses and an increase in service life .

It reduces floor area and cost, conforms with national standard and is long in service life.

In addition, the content filters should also in strict accordance with the setup program in service life, and when he came to replace.

The utility model is strong in supporting force and tolerance, which is good in sealing performance, hard wearing and long in service life.

The cable clip is simple in structure, convenient in operation, long in service life, and can be used repeatedly.

in service life, high and low front front knife a good knife.

The antiskid and antifatigue shoes of the invention can be worn outside other shoes and are firm, durable and long in service life;