Ib tug ua chaw tsim tshuaj paus ntawm industrial & coj mus muag drying khoom nyob rau hauv Suav teb.
Kev tsom mus rau kev tshawb fawb, kev tsim kho thiab tsim cov cuab yeej ziab khaub ncaws rau ntau tshaj 15 xyoo.
Kev tsom mus rau kev tshawb fawb, kev tsim kho thiab tsim cov cuab yeej ziab khaub ncaws rau ntau tshaj 15 xyoo.
