... make many kinds of plastic products 3.good price Precision Plastic Shell of magnetic Ringspecification:1.name:plastic shell of magnetic ring 2 ... Service: We supply a large amount kinds of plastic injection mould, specialized in making quality moulds for different ... price, following information is for your reference. Item:DescriptionName:Plastic injection mouldCore steel:S45C, S50C, P20, 2738, S55C, ...