... 4,ISO certified 250x250x15mm Square PP PVC Drain Grate Plastic Molding Injection, Drain Grate, Drain Cover, Sump Grating, Gully Grating ... machine: 80 tons to 500 TonsOur capabilities: Prototypes, Plastic Injection Molds, Compression Molds, Blow Molds, Hot runner Molds ... Plating, Painting, Logo Printing, Assembly, etc. Steps of Uni-Moulding Business: 1.drawings or samples providedWe get the drawings or ...