?? ????? ASME B16.10 Ball Valve - ?????? ????? ?????? ????????? ???????

????? ?????? ?????? ASME B16.10 ???? ?????? ?? ???? Shijiazhuang Deye Piping Industry Co., Ltd. ????????? ???? ????? ?? ????? ???????? ????????? ????? ??????? ?????? ???? ?????? ?????? ?????? ????????? ?? ?????? ????? ?????? ??????????????? ??????. ???????? ??????? ?? ????? ?????? ?????? ?????? ASME B16.10 ????? ??? ?????? ???????? ??????? ???? ?????? ??????? ????????? ????????? ???????????? (ASME). ????? ?????? ??? ????? ???? ??????? ?????? ?????? ??? ????? ?????. ?? ?????? ?? ?????? ???????? ???????? ???? ????????? ??????? ?? ???? ????????? ??????? ???????? ?? Shijiazhuang Deye Piping Industry Co., Ltd.? ???? ???????? ?????? ???????? ??????? ?????? ASME B16.10 ??? ????????. ?? ???? ?????? ??????? ???????? ??????? ?????? ???????? ?? ????? ???????? ????? ?????? ?????? ?????? ???? ???? ?????? ?? ?? Shijiazhuang Deye Piping Industry Co., Ltd. ?????? ??? ?????? ????? ASME B16.10 ?????? ???? ????????? ??????? ??????? . ???? ??? ????? ?????? ?????? ?? ???????? ???? ?????? ??? ???????