Hiwa Rubber expansion joint also called vibroshock,it is an
ideal pipe joint with high flexibility, high tightness and good
resistance to medium and climate.In fluid handling systems it
is often necessary to make allowance for pipework
expansion,vibration and slight misalignment .So they are
widely used in main project such as chemical
industry,construction,water
supply,drainage,petroleum,refrigeration,health and electric
power etc .
