国产乱淫a∨片免费视频_91福利免费观看_欧美特黄特色视频_91中文字幕在线观看_超碰在线97国产_91一区二区三区久久久久国产乱

Automotive

經營體系

Chengdu Qingcheng Refractory Materials Co., Ltd. is a service provider for the overall solution of refractory materials for silicon metal furnace, such as the refractory materials and carbon products R&D, production, masonry and contracting of silicon metal ladle refractory materials. Now, it has Dujiangyan refractory production base, Ningxia carbon material production base and Henan refractory production base. It mainly provides clients with research and development, production, and masonry of refractory materials and carbon product series products, and is a leader in overall solutions for refractory materials used in silicon metal furnaces in China. At present, the company's products have occupied a market share of over 70% in the silicon metal furnace lining market, and it is expected to reach 80% in three years, ranking first.