Cov lus piav qhia luv luv:

Kev ntaus pob tesniv xyaum ntaus pob tesnis nrog cov ntaub ruaj khov

Kev qoj ib ce: Foreand thiab backhand thiab backhand thiab backhand thiab backhand thiab backhanding pumping pob, nqa pob ntawm net pab, tom qab tawm tsam.

(1) Xyaum viav vias, cov txheej txheem thiab kev ua si hauv ko taw.

(2) kev cob qhia hauv kev sib tw raug, lub zog thiab kev ua kom tawm dag zog.

(3) Lub pob rov qab ua dua tshiab, tsis tas xaiv.

(4) ib leeg, ob lossis ntau tus neeg los xyaum.

(5) Muaj peev xwm lom zem, kev tawm dag zog, kev cob qhia ntaus pob tesnis.

Kom paub meej ntxiv, thov hu rau peb: Jack liu

Email: jack@siboasi.com.cn

WhatsApp / WeChat: + 86-13528846888

Xov tooj: + 86-13528846888