tianchen qixiang nylon new material project phase i 2-methylpentamethylenediamine plant started up successfully
recently, china chemical tianchen qixiang new material co., ltd.’s nylon new material project phase i 2-methylpentamethylenediamine plant was successfully started up and produced the first batch of high-grade products. this device is the first 2-methylpentamethylenediamine production facility in china, and it is also the first 2-methylpentamethylenediamine production facility using the nation’s own technology, filling the…

