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Hebei Shenatian Group ????? Seam Steel Pipe Co., ?. ??? ?????? ?? ????? ??????? ???? Cangzhou ?????, ??? ?? ???? ?????? ????????? ???? ???????? ???????? ??? ??? ??? ??? ?????? ?? ????? 1990, ?????? ???? 85,000 ?????? ????? ??? ?????????? ??? 200 ???????? RMB ? ???? ??? ????? ??? ????????? ????? ??? ?????? ?????? ????????? ???? ??? ??? ???? ??? ?????? ?????? ???????? ? ??? ??? ?????? ???????? ????????? ?????? ?????????? 1S09001,1S014001 OHSAS 18001 ????? ???????? ????????? ?????? ??? ?????????? ???? ??????????, ??????? ???????? ???????? APl 5L, APl 5CT ??? ???????????? ???? ?????? ????? ???? ????? ??? ?????? ???? ???? ???? ??? ? ???????? ?????? ??????

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?????? Api Spec 5ct

API 5CT ?? ?? ???????? ?? ????? ????????? ??????? ?????????, ???? ??????? ????? ?????? ??? ????? ?

??? Astm A335

Astm A335 ????? ?? ?? ???? ????? ??? ??? ???? ?????? ? ???????? ?????? ???? ?? ??? ?????? ??? ???? ??? ????? ????? ?

Api 5l Psl1 ????? ???????

API 5L PSL1 ????? ??????? ???????? ??? ??? ???? ??? ?????? ??????? ???? ????? ????? ?????? ?

????? ?????? ERW

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

??? ????? Api ? ?.

??? ????? ??? ???? ??????? API ??????? ??? ??? ????? ??? ???? ?????? ???? ??? ?????? ???????? ???? ???? ????? ?

????? ?????? Sa210

???????? Sa210 ????? ??? ???? ?? ???? ????? ?????? ?????? ????? ????? ??? ??? ??? ???????? ?????? ????? ??? ?

??? Astm A106

???? Astm

???

??? ?? ???? ????? ????? ????? ??? ?????? En10216-1

Astm A53

Astm A53 Pipes ????????? ???????? ?????? ?????? ????? ?????? ????? ?????? ????? ??? ????

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?????? ????? 4130 ?? ?? ?????? ??? ??? ?????? ????? ???????? ????? ?????? ???????? ????? ????? ?????? ???????? ??? ??????? ? ??? ??? ?? ??? ?????? ????? ??? ????? ??? ?????? ??????? ???????? ??????? ??? ??????? ??? ????? ???? ?? ??? ???? ??? ?? ??????????? ??????? ???????????? ??? ???????? ? ???????? ????? ?????? ??? ??? ??? ?? ?? ????? ??? ?????? ??? ????? ????

2024-12-31 ??????????????

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

??? ??????? ????? ??????? ?? ????? ?????????? 4130 ?? ????? ????? ??? ?????? ?. ?????? ???????? ?? ????? ??????? ???? ?. ? . ???? ????? ??? ??????? 3.1

2024-12-30 ??????????????

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

????? ???? ???? ????? ??? ?????? ??? ????? ???????? ??? ????? ?????? ??? ??? ?? ??? ???????? ????? ?? ???? ?????? ???? ??? ?? ? ??? ????? ????? ?????? ????? ??????? ????? ????? ??? ??? ? ??? ??? ??? ?????? ?? ????? ??? ????? ? ?????? ???????? ??? ?? ?????? ??????? ???????? ?????? ????? ????? ??? ?????? ??? ??? ??? ?????????? ????? ????? ??? ?? s

2024-12-24 ??????????????

?? ???

SHENGTIAN ????? ??? ????? ???? ??? ????? ????? ???????? ?????? OEM ??? ????? ?????? ? ????? ??????? ?? ?? ?????? ????? ??? ?????? ??????? ???? ??? ????? ??? ?

2024-12-23 ??????????????

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2024-12-23 ??????????????

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????? ???? ???? ?? ?? ??????? ??? ?????? ????? ??? ??? ??? ??? ?????? ??? ?????? ??????? ???????, ??? ??????? ??? ??? ?????? ???? ?? ? ??? ????? ????? ??? ??? ???????? ????? ??? ????? ????? ????? ??? ?????? ?? ???? ???? ??? ????? ??? ?? ??? ??????? ?????? ?????? ?????? ????? ????? ? ???????? ?????? ??? ?????? ????? ?????? ??? ??? ??? ??????? ??? ?????? ?????

2024-12-22 ??????????????

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

??? ??????? ??? ???? ???????? ?? ??? ?????????? ????? ????? ?????????? 4140 ????? ????? ?????? ?? ?????? ?. Tubing ????? 2. ?????? ???????? ?????? ??? ?? ????? ?????????? ? 40 ??????? ?? ????? ????? ?????? ?. ?. ?. ?.

2024-12-21 ??????????????

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

?????? ????? 4140 ?? ?? ?????? ?? ?????? ????? ??? ????? ??? ???? ?????? ???? ??????? ??????? ???? ?? ? ??? ??? ?????????? ????? ???????? ?????? ???????? ????? ????? ?????? ?????? ??? ?????? ? ??? ????? "4140" ??? ?????? ????? ???????? ??? ??? ??????, molibdenum, ??? ?????? ??? ?????? ?? ???? ?????? ???????? ?? ?? ????? ??? ???? ?? ?????? ????? ???????

2024-12-20 ??????????????