Inner is steel or other material,outer is PVC or PVC foaming High strength,good temperature retention.weldable.
Luoyang Aijia Die Manufacturing Co., Ltd, located in a 3,000-year cultural historyof modern industrial tourism city Luo yang High-tech Development Zone, the company mainly engage
in PVC plastic profile extrusion die development and manufacturing, more than 300 sets various types of extrusion dies producing each year.