Precast Lifting System Manhole Kauj Ruam

Peb tuaj yeem tsim ntau hom yas manhole kauj ruam, peb muaj ntau yam ntawm cov kauj ruam, xws li Hlau, Carbon steel, stainless hlau, txhuas thiab yas encapsulated.
Peb kuj tuaj yeem tsim cov qauv tshiab nrog cov neeg siv khoom kos duab lossis qauv.
Cov lus qhia ntxiv muaj nyob rau thaum tau txais koj qhov kev nug.