X17 penetration crystal hutch bathroom special waterproof coating is the international advanced "nano silicon ion" and special emulsification process combining the latest generation of hutch bathroom special waterproof coating, in "stick brick", "actively to fill the subtle concrete pore", "super long waterproof life", "easy to repair" has outstanding effect, solve the conventional toilet with JS waterproof coating, polyurethane materials easy empty drum, brick off brick problem.