Kusiyana pakati pa mluza wotentha wa mpeni ndi mluza wozizira wa mpeni -Yangjiang Yangdong Ruitai Hardware Products Co., Ltd.
Cold kugubuduza mu recrystallization kutentha m'munsimu wotchedwa ozizira adagulung'undisa, otentha adagulung'iza koyilo monga zopangira, amagwiritsidwa ntchito mu asidi pickling kuchotsa okusayidi khungu pambuyo ozizira anagubuduza, chomalizidwa ndi zovuta, chifukwa cha kuzizira ntchito kuumitsa chifukwa mapindikidwe mosalekeza. ozizira kugubuduza molimba mpukutu mphamvu, kuwonjezera kuuma, toughness ndi pulasitiki index utachepa, kotero ntchito yopondaponda adzawonongeka, angagwiritsidwe ntchito mapindikidwe yosavuta mbali.