Yantai University   Yantai Darbond   yantai service agricultural technology co.ltd.   Yantai Billion Thai Chemical Co., Ltd.   Hubei Sanli Fengxiang Technology Co., Ltd   Yantai Better Precision Machinery Co,.Ltd.   Yantai Takon Plastic Packaging Co., Ltd   Yantai Shunda Polyurethane Co.,Ltd   Yantai Hengnuo Chemical Technology Co.,LTD   Yantai Thinking Finechem Technology Co.,Ltd   Yantai Thinking Finechem Technology Co., Ltd   Yantai Sunshine Chemical Co.,Ltd.   Yantai Yusheng Chemical Co.,Ltd.   YanTai SunShine Chemical Co.Ltd   YANTAI DERUN LIQUID CRYSTAL MATERIALS CO.,LTD   Sunshow (Yantai) Speciality Chemical Co., Ltd   yantai fuai group   YanTai Valve Factory   Yantai Zhenglong International trade Co,.Ltd.   Changzhou Sanling chemistry Limited company