Shandong Yankuang Group's 300,000-tuj / xyoo caprolactam project Lunan Chemical Plant nyob hauv Tengzhou, Shandong Province.Thaum lub sij hawm thawj zaug engineering camp tsim kev sib tw hauv xyoo 2019, peb tau qhia rau peb cov neeg siv khoom tus qauv tshiab ntawm kev xa tag nrho ntawm kev tsim kho camp, Sib sib zog nqus ...
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