Raws li ib qho ntawm cov kws tshaj lij castors tuam ntxhab thiab cov muag khoom hauv Suav teb txij li xyoo 1997, peb tau tshwj xeeb los ntawm cov khoom pheej yig thiab cov kev pabcuam zoo. Thov so assured rau cov lag luam wholesale zoo castors ntawm tus nqi sib tw los ntawm peb lub hoobkas.