1. Bright chrome: ci li daim iav;
2. Chromite: matt;
3. Electrophoresis: dub, nrog brightness, nyob rau hauv qhov kev txiav txim ntawm sab nraud ncaj qha tam sim no, cov nqi hais tsiv directionally mus rau cathode los yog anode nyob rau hauv dispersed nruab nrab quab yuam los txhawb kev sib cais ntawm cov khoom;
4. Phosphating: dub, tab sis nrog tsaus luster, cov khoom yog immersed nyob rau hauv cov tshuaj phosphating, thiab ib txheej ntawm dej -insoluble crystalline phosphorus yog deposited rau ntawm instant nto, uas yog tus txheej txheem ntawm hydrochloric acid hloov dua siab tshiab.
5. Grey Nickel: Nws yog ib hom khoom lag luam -txoj kev kho saum npoo tshiab nrog muaj zog tiv thaiv - xeb muaj peev xwm thiab yuav ua rau kom muaj kev pabcuam lub neej ntawm cov khoom.
6. Lwm tus yog blackened, npib tsib xee- hlau alloy, pearl npib tsib xee, dub nickel thiab titanium plating.