According to the rapid development of mixed fertilizer, our factory made close cooperation with the fourth design institution of chemical ministry, Shanghai chemical academe and Nanjing chemical design institution.

• 根据复混肥的迅速发展，我厂先后同化工部第四设计院、上海化工研究院、南京化工设计院等科研单位紧密合作，积极开发新产品。