?? ????? ???? ??????? API 2500lbs ???????? ????? ??????

???? ??????? Api 2500lbs ???? ????? ???? Shijiazhuang Deye Piping Industry Co.,Ltd. ?? ???? ????? ???? ?????? ???? ????????? ???? ????? ???? ???? ??????. ?? ????? ???? ??????? ??? ?????? ??????? ?? ?????? ???? ??? ??? 2500 ???? ??? ????? ??????? ????????? ?? ??????? ?????? ??? ????? ????? ?????? ??????????????? ?????? ??????? ??? ????? ?? ???? ?????? ??? ?? ????? ???? ??????? ??? ?????? ?????? ??????? ????? ????? ?????? ??? ??? ??? ?????? ??????. ???? ??????? ????? ???????? ??????? ??????? ?????? ??????? ?????? ?? ??????? ??? ????? ?? ????? ?????? ??????? ???? ???? ?? ??????? ??? ?????? ???????? ??? Shijiazhuang Deye Piping Industry Co.,Ltd. ???? ?????? ???? ??????? Api 2500lbs ?????? ????????? ??????? ????????? ???????? ???????. ??????? ????????? ???? ??????? ?????? ?????? ??? ???? ??????? ??? ???? ???? ???????? ???? ?????? ?? ???? ??????? ???????? ?? ????? ????? ??????