XIAMEN TOPUSING CHEMICAL CO.,LTD.
LEADING BIO-AGRICULTURAL CO., LTD.
YINGKOU MAGNESITE CHEMICAL IND GROUP CO., LTD.
HUNAN WORLDFUL AGROTECH CO., LTD.
HANLING AMINO ACID CO., LTD.
SHANDONG LINKER AGRITEC CO., LTD.
LAIZHOU ZHONGDA CHEMICAL CO., LTD.
LAIZHOU GUANGCHENG CHEMICAL CO., LTD.
SHANXI JIAOCHENG HONGXING CHEMICALS CO., LTD.
WUZHOUFENG AGRICULTURAL SCIENCE AND TECHNOLOGY CO., LTD.