ksn meaning in English

磺化聚苯乙烯阳离子交换树脂

Our molecular sieve ksn - 13x special for air separation has won " prize for advancement in science and technology " awarded by the ministry of chemical industry and has been named as the supported product for imported equipment of china general company of petrochemical industry
其中空分专业ksn - 13x分子筛荣获化工部科技进步奖，并被指定为中国石化总公司消化吸收引进装置配套产品；