24-hour advice line:
Water-soluble plugging device, comprising a circular plugging plate made of a water-soluble material, several support plates made of a water-soluble material being provided on the surface of one side of the circular plugging plate, and the outer side faces of the support plates being flush with the outer side face of the circular plugging plate.
PRODUCT SAFETY IS HIGH.
LOW COMPREHENSIVE COST
EASY INSTALLATION TIME
ENVIRONMENTAL PROTECTION AND ZERO POLLUTION