Kunming Janpan Trade Company   Canton Ming Wang Synthetic Fiber Factory   Tianjin Master Co.,Ltd.   Tianjin Institudes for Drug Control   Shanghai mingheng industrial co. LTD.   Tianjin Kelioil Engineering Material and Technology Co.,Ltd   Tianjin Baitu Chemical Co.Ltd   PrimingTec UG   HK Ming Chou Life Science Company Limited   tianjin yeats technology&chemical co.,ltd.   Tianjin zongyan techonlogy Co,.Ltd   tianjin dongshen international trading co.,ltd   Yiming Yuhe   Forming tubing   Kunming Chuan Jin Nuo Chemical Co., Ltd.   Tianjin Dalipu Oil Country Tubular Goods Co., Ltd   ShangHai MingQi Chemical Research Co.,,LTD   Tianjin Botongda Energy Technology Co.,Ltd   Tianjin Chempharmatech Co.,Ltd.   Tianjin Chempharmatech Co.,Ltd.