1. Cov khoom siv thiab xim tuaj yeem hloov kho.
2. Rau kev hloov kho, yuav muaj nqi ntxiv.
3. Cov duab kos los ntawm lub vev xaib lossis catalog tsuas yog siv rau kev siv xwb.
4. Cov ntawv pov thawj rau cov dej tsis zoo thiab cov ntawv pov thawj tsis muaj.
5. Customized pwm, 50% tooling nqi yuav ua.