... One-stop solution First Trial Time:30~40days Plastic mould for cup capThis cup cap made of PLA material, green ... degraded in soil within 3 months. ItemPlastic mould for cup capShaping modePlastic injection mouldingMould material2738, P20,718,2738H,718H,NAK80, ... machine, numerical controlled liner cutting machine, precision grinder, injection mould machine, as well as many senior projects R&D engineers ...