... shape retention, easy to install&repair, cost saving, long-term use. water tank SMC combined water tank is assembled by moulding single board ... is over 30 years usage. SMC water tankSMC combined water tank is assembled by moulding single board, sealing , metallic structure, ... distortion, no leakage, high tensile strength, easy to maintain and repair, cost saving, long-term use. Cautions:1. Please do ...