U973 universal ac tswj qhov system

1.Qhov zoo thiab tus nqi tsim nyog

2.Lusing ruaj, ntev kev pab cuam lub neej

3.Match nrog cov khoom siv tub yees

4. Kev pabcuam zoo

5.Zoo thiab zoo tswj

6. kev xa khoom sai

7.Different specification ntawm cov khoom

8.Standard export thawv, tau kawg peb ua tau raws li tus neeg thov