?????4A???????????η????????臨?????
2023??9??14??????????????????棬??????????????й???4A?????Synthetic Grade zeolite 4A??????????η????????臨????????????????????й????永??????????5???????????????163.90??207.72???/???????????????/??????Chalco Zibo International Trading Co. Ltd (CZITCL)?????????????ó???????????163.90???/??????й???????????/???????207.72???/??????????漰?????????38249922??38249090??38249990??28429090??28269000??28399090??28421000???μ?????
2018??1??2??????????????????棬???????Gujarat Credo Mineral Industries Ltd??Chemicals India?????????????????????????й????????4A???????????????顣2018??10??29?????????????e????????????á?2018??12??13????????????????????57/2018-Cus (ADD)??????????????й????永???????163.90??207.72???/???????????????Ч??5??2022??9??29???????????????????????????????Gujarat Credo Mineral Industries Limited??????????????????????й???4A??????????η????????臨????顣
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????https://egazette.gov.in/WriteReadData/2023/248739.pdf