????? ??????? ????? ????? ???????? ????? ???????? ???????

????? ????? ???????? ????? ?????? (MEHEC) ?? ???? ?????? ?????? ????? ????????? ???????? ?? ????? ????????? ??? ?? ??? ?????? ????????? ??????? ????????. ????? ??? ?????? ??????? ???? ????? ???? Zhejiang Haishen New Materials Co., Ltd.? ????? ????????? ??? ???????? ??????? ??????? ????? ???????? ?????? ????? ???????. ?? ?????? ??? ????????? ????????? ????? MEHEC ???? ????? ?????? ?????? ???? ????????? ?? ?????? ??? ???????? ??????? ??????. ????? ?????? ??? ??????? ??????? ??????? ??????? ????? ?? ?????????? ?? ???? ????????? ??? ?????? ??????? ???????. ???? ???? Zhejiang Haishen New Materials Co., Ltd. ?????? MEHEC ???? ?????? ?? ???? ?????? ??????. ???? ???????? ?????? ???????? ???? ??????? ??? ???? ?????? ?????? ????? ????????? ???????? ???????? ?????????. ???? MEHEC ????? ????? ????? ?? ??????? ????? ????? ???? ?????? ???????? ?? ????????.