国内生产能力最大、自动化程度最高的挤压法重质纯碱生产线 ,日前在全国最大的纯碱生产企业唐山三友集团正式投产。这个项目引进德国先进技术 ,总投资 4 0 0 0多万元。项目竣工后 ,可年产重质纯碱 2 0万ｔ。重质纯碱广泛应用于显像管玻璃、风挡玻璃和精密仪器等特种玻璃和高档 Domestic production capacity of the highest degree of automation of the extrusion method of heavy soda ash production line, recently in the country’s largest soda ash production company Tangshan Sanyou Group formally put into operation. This project has introduced advanced German technology with a total investment of more than 40 million yuan. After the completion of the project, an annual output of 20,000 tons of heavy soda ash. Heavy soda ash is widely used in CRT glass, windshield and precision instruments and other special glass and high-end