Peb qhov txheej txheem tseem ceeb ntawm cov yeeb nkab kev lag luam kev lag luam tsim (1) lub sijhawm ua haujlwm hauv xyoo 1950

Ansteel yog tus menyuam loj ntawm Tuam Tshoj cov yeeb nkab kev lag luam. Nyob rau hauv Kev Kho Dua Tshiab thiab kev tsim kho tsim qauv uas lub Soviet Unrident muab kev cob qhia, nrog rau} Cov yeeb nkab welded, cua welded yeeb nkab, thiab muab kauv welded yeeb nkab. Tom qab ntawd, vim kev kho kom haum hauv kev npaj hauv tebchaws, thiab kev tsim kho Welded yeeb yaj kiab welded, raws li lub φ 1050 hli muab cov yeeb nkab welded, tau muab faib. Tab sis txhua txoj haujlwm ua ntej ua ntej kev tsim kho ntawm peb chav nyob tau ua tiav ntawm Ansteel. Ansteel ntiav cov qauv qub sovi thiab cov neeg muaj txuj ci tshaj tawm nyob rau hauv ntau yam ntawm cov khoom siv hluav taws xob hauv kev lag luam hauv cov kab hlau ntawm cov thev naus laus zis thiab kev tswj hwm. Tus Ansteel φ 114mm tsis siv neeg cov roj hmab yob tau ua tiav thiab pib rau cov kav dej tso tawm thiab ua haujlwm rau xyoo 1956. Hauv 1956. Hauv 1956. Hauv 1956. Hauv 1956. Hauv 1956. Lub cev nqus dej thib ob ntawm Ansteel tau tsim thiab tsim los ntawm lwm lub nroog tau ua tiav thiab muab tso rau hauv Lub Ob Hlis Ntuj 1957. Cov kauv vuam siv rau xyoo 1958, thiab cov kauv vuam tshuab chav tsev tau tsim thiab muab tso rau mus rau hauv kev ua haujlwm hauv Baoji, Shaanxi xyoo 1959. Xyoo 1958, txhawm rau txhim kho cov khoom siv ntawm lub teb chaws uas tau ua tiav rau cov khoom siv ntawm 76mm perforating machine siv cov khoom pov tseg thiab khoom siv. Xyoo 1959, cov khoom siv no tau pauv mus rau Sichuan, Yunnan, Shanxi thiab lwm qhov chaw. Ntxiv nrog rau Ansteel kev tsim kho ntawm A φ 140mm Tsis Siv Neeg Cov Yeeb Nkab Rolling Chav, Cov Noob Ntawm Cov Yeeb Nkab Siv Cov Hlau, Tianjin, Shaanxi thiab lwm qhov chaw. Ansteel muab Manpower thiab kev txhawb nqa kev txhawb nqa cov yeeb nkab steel, ua nws cov menyuam kab laug ntawm Tuam Tshoj ntawm cov yeeb nkab kev lag luam.