Bebụ ka ọ bụrụ ọkachamara kachasị na ndị na-eweta azụmahịa azụmahịa mba ofesi zuru oke zuru oke na ụlọ ọrụ nchara.
Afọ 1998
Tianjin Hengxing Metallurgical igwe na-emepụta CO., LTD.
E guzobere ụlọ ọrụ na 1998, ụlọ ọrụ ahụ goro ọrụ ndị injinia iri na abụọ na akụkụ niile, ihe karịrị narị ndị ọrụ 200, ụdị dịgasị iche iche na obere akụrụngwa. .Specialitizing na mmepụta nke ụdị nchara nchara na nchara liil ahịrị, na-enwu enwu ahịrị, na ụdị nke usoro nrụpụta ngwa ngwa.
Afọ 2004
Tianjin Yuxing ígwè Co., LTD.
Kemgbe 2004, anyị nwere ike iwepụta ọkpọ ígwè lsaw (size site na 3120mm) na nha niile nke ngalaba (nha site na 20mm * 1000mm), na mmepụta kwa afọ nke 300,000. Typedị ngwaahịa a gụnyere ọkpọkọ oyi, a na-ekpo ọkụ nchara, tube sara mbara, mepee otuto onye ahịa ya na ụlọ na mba ọzọ. Agụnyere ASO9001: 2000 Asambodo Sistemụ Njikwa United States, Asambodo nke United States nyere aha United States, a na-akpọkwa asambodo nke Tianjin Science na ụlọ ọrụ
Afọ 2008
Afọ 10 na-ebupụ ahụmịhe a na-ebupụ ihe ngosi na ahịa ụlọ na mba niile.
Afọ 2011
Mbupụ nchara na GI pipe (gburugburu akụkụ / ovangery / crles & nchara & nchara & nchara & lugated pic & lsaw ssaw Pipe wdg
Standard ngwaahịa gụnyere BS1387, ASTM A53, Din-2440 244, ISTM ASTM, ASTM, API 500, API 500, BS1139 na ndị ọzọ. Ọ natara aha nke "ụlọ ọrụ na-ahọrọ akara akara".
Afọ 2016
AHG COCK TRACT Co., LTD.
N'ime oge a, anyị sonyere n'ọtụtụ azụmahịa azụmaahịa mba ofesi niile, ma mata ọtụtụ ndị ahịa na-akwado ọrụ.
Anyị nwetara ụlọ nyocha nke anyị nwere ike ịme nyocha dị n'okpuru: nnwale nyocha nke kemịkalụ, usoro nyocha kemịkalụ, x-ray Rockwell, ọrịa na-elele Charpy.
Afọ 2022
Ruo ugbu a, anyị nwere ahụmịhe mbupụ 17 ma debara aha aha akara ngosi EHONG.
Ngwaahịa anyị bụ ụdị nchara (erw / lsaw / nke enweghị isi), na-emebi emebi (na-emebi emebi (crc & hrc, gi , GL & PPGI, mpempe akwụkwọ na cool, scaffing, waya, waya na wdg.
