... 20 years forging experience forging insulator fitting for high-tension line Company introduction:1. Our company has advanced technological equipments, ... ASTM, DIN, JISProduce EquipmentFriction Screw Press Series, CNC Lathe, Machining Center (Vertical Spindles), CNC Milling Machine, Bench Drilling Machine, Heat Treatment Equipments ... within 2 days . Forging insulator fitting for high-tension line