Yantai University   Yantai Darbond   yantai service agricultural technology co.ltd.   Yantai Billion Thai Chemical Co., Ltd.   Yantai Better Precision Machinery Co,.Ltd.   Yantai Takon Plastic Packaging Co., Ltd   Keda Biological Medicine 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.   Laizhou Keda chemical Machinery Co.,Ltd   YanTai SunShine Chemical Co.Ltd   YANTAI DERUN LIQUID CRYSTAL MATERIALS CO.,LTD   Shijiazhuang Kedahua Imp&Exp   Sunshow (Yantai) Speciality Chemical Co., Ltd   yantai fuai group   Shijiazhuang Dekeda Chemical Co.,Ltd