ZTZG yog cov chaw tsim khoom loj tshaj plaws ntawmERW PIPE MILLcov tshuab hauv Suav teb, khav theeb nws tus kheej R & D, ua, thiab tsim cov hauv paus. Tsim los ntawm 2000,ZTZG muaj nyob rau hauv 25 xyoo. Nws cov khoom yog ruaj khov, txhim khu kev qha, tshiab, thiab thev naus laus zis siab heev, ua rau koj txuag nqi zog thiab txhim khu kev ua haujlwm.
Post lub sij hawm: Nov-21-2024
