PE compound cavity water heater is made by imported automatic welding equipment and roll-plastic equipment. It realized cavity-weld and cavity-roll-molding.
PE compound cavity water heater is made by imported automatic welding equipment and roll-plastic equipment. It realized cavity-weld and cavity-roll-molding.
PE复合内胆热水器由国外引进的自动焊接设备和滚塑设备生产而成，实现了内胆焊接和内胆滚型。