1.injection baby tub mould,mold material:P20,2738H ect. 2.Cavity:Single ... .Self-made base injection mould for baby tub Kaihao Mould Co.Ltd is one of baby tub injection mould suppliers in China ... for your reference as following. ItemDescriptionMould Name: injection mould for baby tubMould Core steel:S45C, S50C, P20, 2738, S55C, 718H, 618H ...