1. Raws li cov ntaub ntawv ntawm lub qhov rooj thiab qhov rais, lawv tuaj yeem muab faib ua pawg raws li hauv qab no: lub qhov rooj ntoo thiab qhov rais, steel qhov rooj thiab qhov rais, yas steel qhov rooj thiab qhov rais, aluminium alloy qhov rooj thiab qhov rais, fiberglass qhov rooj thiab qhov rais, stainless hlau. qhov rooj thiab qhov rais, hlau paj qhov rooj thiab qhov rais. Txij li thaum kev hloov kho thiab qhib, tib neeg txoj kev ua neej nyob tau txuas ntxiv txhim kho, thiab cov qhov rooj thiab qhov rais thiab lawv cov hom khoom derivative tau nce thiab cov qib tau maj mam nce, xws li thermally insulated tawg choj aluminium qhov rooj thiab qhov rais, ntoo-aluminium composite qhov rooj thiab qhov rais, aluminium-wood composite qhov rooj thiab qhov rais, khoom ntoo qhov rooj thiab qhov rais, sunrooms, iav curtain phab ntsa, ntoo curtain phab ntsa, thiab lwm yam.
2. Raws li kev ua haujlwm ntawm lub qhov rooj thiab qhov rais: lub qhov rooj tig, lub qhov rooj tiv thaiv tub sab, lub qhov rooj tsis siv neeg, lub qhov rooj tig.
3. Raws li txoj kev qhib, nws tau muab faib ua: qhov rais ruaj khov, qhov rais sab saum toj-dhau, qhov rais nruab nrab-dua, qhov rais hauv qab-duab, ntsug rotating qhov rais, casement qhov rooj thiab qhov rais, pulley casement qhov rais, pulley qhov rais, casement hauv qab- dai qhov rooj thiab qhov rais, zawv zawg qhov rooj thiab qhov rais, zawv zawg qhov rais. Qhov rai qhib, folding qhov rooj, pem teb lub caij nplooj ntoos hlav qhov rooj, lifting zawv zawg qhov rooj, zawv zawg qhov rooj, sab hauv sab zawv zawg qhov rooj.
4. Raws li kev ua tau zoo, lawv muab faib ua: lub suab rwb thaiv tsev qhov rooj thiab qhov rais, thermal rwb thaiv tsev qhov rooj thiab qhov rais, hluav taws qhov rooj thiab qhov rais, thiab airtight qhov rooj thiab qhov rais.
5. Raws li daim ntawv thov feem, nws muab faib ua: sab hauv qhov rooj thiab qhov rais, qhov rooj sab nrauv thiab qhov rais.