SMC water tank The GRAD SMC water tank of no pollution, good shape retention, easy to install&repair, cost saving, long-term SMC water tank description: SMC combined water tank is assembled by moulding single board, sealing , metallic structure, and plumbing. We can assemble the one with 0.125m3~5,000m3 according to your need. The period of use is over 30 years usage. SMC water tankSMC combined ...