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Material: made of high-strength composite materialPoint:1.Guard against theft2.Environmental protection3.Good looking4.Resistance to acid and alkali5.Resistance to aging6.Strong bearing force 7.Noiseless8.Wear-resisting9.Without maintenance Description: This kind of product is made base on the telecom industry's standard,1#,2#,3#, with 1 cover, 2 covers or 3 covers, they can be chosen arbitrarily,which are widely used in the inspected well of underground pipeline in telecom industry.
