Vitamini A ndi gulu la zinthu zosagawika zam'madzi, zomwe zimaphatikizapo retinol, kulolera, retinoic acid, ndi zingapo derootenoids, yomwe ndi Beta-carotene ndiyofunika kwambiri. Vitamini amagwira ntchito zingapo: ndikofunikira pakukula ndi chitukuko, pokonza chitetezo cha mthupi ndi mawonekedwe abwino. Vitamini a amafunikira ndi retina wamaso mwa mawonekedwe odzipereka, omwe amaphatikiza ndi mapuloteni opsin kuti apange Rhodogle, mawonekedwe owoneka bwino, omwe amafunikira masomphenya a utoto. Vitamini amagwiranso ntchito mosiyanasiyana monga mtundu wosinthika wa retinol womwe umadziwika kuti retinoic acid, yomwe ndi njira yofunika kwambiri ya mahomoni ngati epithelial ndi maselo ena.

Kusunga: M'malo owuma, ozizira, komanso shaded ndi ma Centraging oyambilira, pewani chinyezi, kusunga kutentha kwa firiji.

Moyo wa alumali: Miyezi 48

Phukusi: mkati25kg / thumba

kupereka: mwachangu

1. Kodi ndi chiyani?
T / t kapena l / c.

2. Nthawi yanu yobereka ndi iti?
Nthawi zambiri timakonza zotumiza m'masiku 7 -15.

3. Nanga bwanji kulongedza?
Nthawi zambiri timapereka kulongedza monga 25 kg / thumba kapena katoni. Zachidziwikire, ngati muli ndi zofuna zapadera pa iwo, tidzapita kwa inu.

4. Nanga bwanji za zovomerezeka za malonda?
Malinga ndi zomwe mudalamulira.

5. Ndi zikalata ziti zomwe mumapereka? 
Nthawi zambiri, timapereka ma invoice opanga, mndandanda wazolongedza, Bill of Dulani, Coa, satifiketi yazachipatala ndi Concorfiketi yazachipatala. Ngati misika yanu ili ndi zofunikira zapadera, tidziwitseni.

6. Kodi padoko ndi chiyani?
Nthawi zambiri Shanghai, qingdao kapena Tianjin.