... existing moulds load capacity are A15, B125, C250.3. Free design--Sucs as Color, Logo, Panel, load and dimension can be ... .4. Long life ---Minimum lifespan of 30 maintenance free years5. Well sealed ---It can be used hermetically, and effectively prevent those ... poisonous gases leaking out from cesspool. Well sealled, no noise pollution or rebound.6. Good wear and ...