Material: NAK20,PP, HDPE, PA, PC Life: 1,200,000 shots Runner: hot Cavity: 1 x 4 Injection mold refers to the heated melting materials by high pressure into the mold cavity, after cooling solidification, obtaining the forming.Material: NAK20,PP, HDPE, PA, PCLife: 1,200,000 shotsRunner: hotCavity: 1 x 4