Advantage of rotational moulding,Rotational mold,Rotational molding,rotomold waste water treatment equipment mould waste water treatment tank mould 1.One-piece, multi-wall construction2.Economical tooling3.Captured, threaded inserts4.Foamed linings5.hicker-walled outside corners6.Relatively stress-free parts7.Little or no draft angles8.Weight reduction (as compared to metals)9.Short lead-time10.Excellent load-bearing properties11.Finish and color flexibility Please do not hesitate to contact us if you are interested in our capability, or have any inqueries, please email me or call me .Sincerely hope to cooperate with you on your projects.