Rau cov khoom nram qab no, peb muaj kev txhawb nqa steel!
Dub tube / kav dej:https://www.gssteelgroup.com/new-design-steel-building-material-ms-black-pipe-prices-with-high-quality.html
Galvanized tube / kav:https://www.gssteelgroup.com/gi-conduit-pipes-for-scaffolding-pipe.html
Yog tias koj xav tau, thov tsis txhob yig tiv tauj peb.
Post lub sij hawm: Jan-08-2020