Feem ntau cam khwb cia hlau, PVC, zinc alloy, ceramics, cam khwb cia txhuas, stainless hlau, tooj dag, tooj liab alloy thiab lwm yam ntaub ntawv.
1. Engineering Plastics: dav siv hauv engineering, pheej yig thiab pheej yig.
2. Cam khwb cia hlau: nws yog pheej yig, yooj yim rau xeb thiab unsightly, thiab nws yog ib qho nyuaj rau ntxuav cov av tom qab xeb;
3. Pvc: pheej yig, yooj yim rau deform raws li qhov kub thiab txias, khawb tsis zoo thiab cuam tshuam tsis kam, thiab tsis pom kev;
4. Zinc alloy: pheej yig thiab yooj yim rau corrode;
5. Ceramics: pheej yig, corrosion-resistant, tsis cuam tshuam resistant;
6. Cast aluminium: nruab nrab nqi, lub teeb yuag, ntxhib;
7. Stainless hlau: tus nqi nruab nrab, zoo nkauj thiab ruaj khov;
8. Copper alloy: pheej yig thiab siv tau.
9. Brass: hnyav, qib siab, tus nqi siab, qhov saum npoo tuaj yeem electroplated.