Large, medium and small cordless medium furnace saries, ZWB bottom pouring furnace, VRH silicate sand vacuum hardening process and production line. Cast steel joint.

• 大中小型无心变频感应电炉,ZWB系列塞杆底注式保温电炉,VRH水玻璃砂真空硬化工艺及生产线,树脂砂设备及生产线。