Hindustan Petroleum Green R&D Centre   braskemintl   Mintek   shanghai mintchem group   Shanghai Mintchem Development Co., Ltd   SUPERMINT EXPORTS PVT LTD   Shanghai Mintchem Development ., Ltd   Lishui Mintai Chemical Co., Ltd.(Lengshuijiang Hufeng Pharmaceutical Co., Ltd.)   Mintop Group Co., Ltd.   Hunan Mint Imp.& Exp. Co., Ltd.   Hindustan Gum & Chemicals Ltd   Shanghai Mintchem Development Co., Ltd.   Hindustan Fluorocarbons Ltd.   Hindustan Zinc Ltd.   Hindustan Bio Sciences Limited   Hindustan Insecticides Limited   Hindustan Engineering & Industries Ltd.   Hindustan Mineral Products   Hindustan Oil Exploration Company Limited   Hindustan Gum & Chemicals Limited