BC-1812 OEM custom magnesium die casting 3 wheel bicycle parts √ 1.What is the specification of manufacture ? Mould BaseLKM,HASCO,DMECavity/core material2738,2343,S130,2344,718,8407,S136,P20,KD-61,NAK80,H13 ectCavity QTYSingle-cavity/Muti-cavityRunnerYudo cold/hot runnerGateSubmarie gate,side/edge gate processinginjection..