Raws li ib qho ntawm cov khoom lag luam tshaj plaws folding lub khw lag luam thiab cov muag khoom nyob hauv Suav teb txij li xyoo 1997, peb tau tshwj xeeb ntawm cov khoom lag luam pheej yig thiab cov kev pabcuam zoo. Thov so assured mus ua lag luam wholesale zoo folding hnab tawb nqa khoom ntawm kev sis tw nqi los ntawm peb lub hoobkas.