1.Adopt basket or spiral type runner, structure reasonable. 2.Base material is 40Cr or 45#, and chroming coated on runner surface. PE. PP Die head standard specification: 16-63, 32-125, 75-250, 160-450,250-630,315-800,450-1000,630- 1200,710 -1400, 1000-1600,1400 -2000.
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