Coal tar deep process Shandong Weijiao Group Co.,Ltd
Coal tar deep process: Through deepening cooperation with Japan''s JFEC, the company has established two joint ventures, Jiefuyizhenxing Chemical Co., Ltd. and Zaozhuang Jiefuyizhenxing Chemical Co., Ltd., with the annual coal tar deep process capacity exceeding 1 million tons; both the processing capacity of single device and comprehensive scale are ranked at the .