1. Aerospace, aviation - tu precision qhov chaw. Electronic Circuit Boards, aircraft log, nres tshuab, cua txias cua sov exchangers, bearings, ntau yam hlau.
2. Kev tsheb ciav hlau - txhua yam ntawm cov rooj vag li qub, nres li qub, kev poob siab absorbers, cov khoom siv bearing, condensers rau cov neeg caij tsheb, cov tub yees tsheb tub yees, radiators, locomotive internal combustion engine qhov chaw, cov khoom, cov khoom siv hluav taws xob, cov khoom siv.
3. Tsheb thiab maus taus kev lag luam - lub tog raj kheej thaiv, npog, kauj mechanism, poob siab absorber thiab ntau yam machining qhov chaw, chassis, log hub ua ntej electrophoresis degreasing thiab xeb tshem tawm, descaling scale.
4. Cov khoom siv kho qhov muag - lub koob yees duab lo ntsiab muag, microscopes, telescopes, tsom iav, moos tsom iav, tsom iav qhov muag tom qab sib tsoo, ntxuav ua ntej txheej.
5. Liquid Crystal (LCD) manufacturing - LCD substrate tu ua ntej ITO zaj duab xis plating, LCD substrate etching, pre-infusion kua siv lead ua ntxuav, tom qab txheej txheem tu.
6. Kev tsim hluav taws xob, kev sib txuas lus, khoos phis tawj - SMT thaj, flux tom qab PCB board vuam, impurity tu.
7. Microelectronics - monocrystalline silicon wafers, integrated circuit manufacturing txheej txheem ntxuav.
8. Cov khoom siv hluav taws xob thiab hluav taws xob - tu ntau yam resistors, capacitors, cov khoom siv hluav taws xob, cov khoom sib nqus, thiab cov khoom siv hluav taws xob tsawg.
9. Hardware stamping qhov chaw - txhua yam khoom kho vajtse tom qab stamping degreasing tshem tawm, xeb tshem tawm, oxide tshem tawm, decontamination thiab lwm yam kev tu.
10. Mechanical qhov chaw - ntau yam precision machined hlau qhov chaw degreasing tshem tawm, nti tshem tawm, xeb tshem tawm, oxide tshem tawm, decontamination thiab lwm yam tu.
11. Cov khoom siv hauv tsev - txhua yam khoom siv hauv tsev tsim khoom xws li cov duab thaij duab, cov tshuab cua txias, cov khoom siv tub yees, lub rhaub dej, qhov cub, mov cookers, induction cookers, hluav taws xob kiv cua, juicers, hluav taws xob irons thiab lwm yam hlau qhov chaw tu.
12. Electroplating, nqus plating - tshem tawm xeb, oxide txheej, roj tshem tawm, polishing ciab, polishing muab tshuaj txhuam thiab lwm yam kev ntxuav ua ntej plating.
13. Watches, tsom iav, hniav nyiaj hniav kub - tsim cov txheej txheem hlau, cov hlua, txav qhov chaw, spectacle thav duab, cov hniav nyiaj hniav kub tshawb fawb tom qab polishing precision tu.
