this black masterbatch suitable for injection,extrusion,blow film,moulding,etc. We are an leading manufacturer of masterbatch in East of China, with more than 20 years of experience in producing all kinds of masterbatch, such as: color masterbatch, filler masterbatch,polyolefin anti-blocking masterbatch, polyolefin anti-static masterbatch, UV masterbatch, flame retardant masterbatch, etc.....if ...