Yuav cov me nyuam siv cov cuab yeej siv suab paj nruag muag hauv tsev kawm ntawv ua ntej

Cov cuab yeej siv suab paj nruag siv rau kev muag khoom tsim nrog cov hlau tsis zoo zoo, hmoov txheej galvanized hlau, txhuas thiab HDPE board.

Txhua yam khoom siv suab paj nruag siv rau muag pom zoo daim ntawv pov thawj thoob ntiaj teb.

Kev teeb tsa txoj hauv kev siv cov cuab yeej siv suab paj nruag rau muag yog qhov yooj yim heev ntawm kev teeb tsa screws hauv av.