Forged: forging rauj siv reciprocating cuam tshuam quab yuam los yog nias lub siab yog li peb yuav tsum tau hloov pauv cov duab puab thiab qhov loj ntawm txoj kev ua haujlwm siab.

Extrusion: steel hlau yog muab tso rau hauv kaw extrusion Jane, tso siab rau ntawm ib kawg ntawm cov hlau los ntawm qhov tuag orifice kom tau ib tug predetermined extrusion muaj tib yam zoo li thiab qhov loj ntawm cov khoom tiav cov txheej txheem siv rau zus tau tej cov hlau tsis-ferrous hlau. .

Rolling: cov hlau dawb paug ntawm cov hlau los ntawm ib khub ntawm qhov sib txawv (ntawm ntau yam duab) rotating yob, vim compression ntawm cov khoom hla-section yob yog txo, qhov ntev ntawm txoj kev ua haujlwm siab.

Pullout: dov hlau dawb paug (hom raj, khoom, thiab lwm yam) los ntawm ib tug tuag orifice dial mus rau hauv txo tus ntoo khaub lig-section rub lub sij hawm nce txoj kev yog siv feem ntau txias.