Cov ntaub ntawv tseem ceeb ntawm cov dej hauv pem teb yog cam khwb cia hlau, PVC, zinc alloy, ceramic, cam khwb cia txhuas, stainless hlau, tooj dag, tooj liab alloy thiab lwm yam.
cam khwb cia hlau:pheej yig, yooj yim rau xeb, tsis zoo nkauj, xeb tom qab dai cov av nplaum, tsis yooj yim los ntxuav;
PVC:pheej yig, raug kub deformation, khawb thiab cuam tshuam tsis zoo, tsis zoo nkauj;
zinc alloy:pheej yig, yooj yim rau corrode;
ceramic:pheej yig, corrosion kuj, cuam tshuam tsis kam;
aluminium cam khwb cia:nruab nrab nqi, lub teeb yuag, ntxhib;
stainless hlau:tus nqi nruab nrab, zoo nkauj, ruaj khov;
tooj liab alloy:tus nqi nruab nrab, hom tswv yim.
tooj dag:hnyav zoo, qib siab, tus nqi siab, qhov saum npoo tuaj yeem electroplated.