變壓器為什么用硅鋼片做鐵芯?
The mold has received too many consultation calls about the manufacture of glass fiber reinforced plastic molds. The problem is very simple, how is the glass fiber reinforced plastic molds made. Everyone knows that only good molds can make good products. The manufacture of top-quality molds should be achieved from the three aspects of factory hardware, management level, and personnel training and reach excellent standards.