Borosilicate glass is a star product in the glass industry with high melting temperature and strong heat resistance and impact performance, which has attracted extensive attention this year. Yulun company has the world's leading technology in borosilicate glass electrofusion, and has overcome many technical difficulties for the progress of the domestic borosilicate glass industry, including borosilicate 3.3, 4.0, neutral boron electrofusion production, breaking the western countries' technological monopoly. The main products are washing machine observation window, photovoltaic solar tube, pharmaceutical glass, glass rod, induction cooker, microwave oven heating vessels, fire glass, combined with years of experience, my company designed and built the electric furnace strictly control the production of micro bubbles, greatly improve the yield, and get bigger promotion in the furnace life, generally in three to five years of life.