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Jiangsu GPRO Group Co.,Ltd.and CNPC Lanzhou Petro-chemical Co.,Ltd.have signed an agreement on building jointlya 200 thousand t/a C4 deep processing project and a 60 thou-sand t/a
Jiangsu GPRO Group Co., Ltd.and CNPC Lanzhou Petro-chemical Co., Ltd. signed an agreement on building jointlya 200 thousand t / a C4 deep processing project and a 60 thou-sand t / a