Costar has a large number of excellent and exprienced technicians who are familiar with plastic extrusion machine design, manufacture, installation and maintainance. Through absorbing the oversea advanced technology and many years self-development innovation, we have developed many series products of high-speed LDPE, HDPE blowing machine unit, PP film blowing machine set, exhaust type recycle machine, bags making machine and printing machine, etc.

All the kinds of the equipment have special and reasonable design, convenient operation, and the machine with high technology quality, high output and have win the concurrent positive comments from the users.