Peb mus rau Lub 16th ICIF Tuam Tshoj 2017 coj peb cov khoom ammonium ferric sulfate, Cyanuric Acid, High Soundless Cracking Tus neeg saib xyuas rau cov exhibition.and lub rooj sib tham peb lub qub neeg nyob rau hauv lub shanghai
Post lub sij hawm: Sep-26-2017