Cov yam ntxwv cuam tshuam rau flange tus nqi: flange cov khoom hauv tag nrho, cov ntaub ntawv uas tuaj yeem tsim tau yog cam khwb cia hlau, carbon steel, alloy steel, stainless hlau, thiab lwm yam. Tus nqi ntawm cov khoom sib txawv yog txawv, lawv yuav nce thiab poob nrog tus nqi ntawm cov hlau hauv lub khw.Tom qab kev hloov pauv, tus nqi ...
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