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.
英
美
- 根據復混肥的迅速發(fā)展，我廠(chǎng)先后同化工部第四設計院、上?；ぱ芯吭?、南京化工設計院等科研單位緊密合作，積極開(kāi)發(fā)新產(chǎn)品。
