Rau cov neeg tseem ceeb ntawm cov Shanghai Jianping lawm twb los txog hauv zos Beijing.
Koj yuav pomPortable ntsuas tshuab,2-cov dav hlau Axial Flow ntsuas cov cav tov,Hla Flow ntxuam hniav ntsuas cov cav tov,Vacuum ImpellerNtsuas tshuabthiabNtsuas cua txias lub cav nyob ntawd.
Thov mus saib peb nyob rau E4 B15 ntawm Beijing Tuam Tshoj International Exhibition Center.
