Since the Nation established,the Zigong Light Industry Design and Research Institute has contributed to the science and technology develo p-ments of the well and rock salt industry.

• 回顾建国以来,我国井矿盐生产技术的发展,不得不谈自贡市轻工业设计研究院对井矿盐技术进步所做出的杰出贡献。