Raw Khoom ntawm Brass Fittings

Cov txheej txheem tsim khoom pib nrog kev xaiv cov khoom zoo raw khoom, feem ntau yog tooj liab thiab zinc alloys. Tooj liab muab lub hauv paus hlau, thaum zinc ntxiv nyob rau hauv sib txawv proportions kom ua tau tej yam tooj dag compositions. Qhov zoo ntawm cov ntaub ntawv raw zoo heev cuam tshuam cov khoom kawg lub zog thiab kev ua tau zoo.