China petroleum and chemical co., LTD., qilu alaka plastics factory e hiwere na June 1992, bụ a mmepụta nke polyolefin resin dabeere nnukwu-ọnụ ọgụgụ petrochemical ụlọ ọrụ The plastic factory na ngụkọta nke isii tent nke mmepụta ngwá, nwere 200 tọn / afọ polyethylene experiment cent ...
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