1. Peb yog cov chaw tsim khoom thiab xa khoom rau cov yeeb nkab hlau.

2. Peb tau thov thiab tau txais 3 daim ntawv pov thawj patent. (Cov yeeb nkab Groove, Cov yeeb nkab xub pwg thiab Cov yeeb nkab Victaulic)

3. peb cov khoom siv tsim khoom suav nrog 4 kab khoom ua ntej galvanized, 8 kab khoom yeeb nkab ERW, 3 kab txheej txheem kub-dipped galvanized)

4. Txhua xyoo cov zis ntawm ntau yam yeeb nkab yog ntau tshaj 300 txhiab tons. npog ntau yam ntawm 15-457mm puag ncig yeeb nkab. 10 * 10–1000 * 1000mm square raj, 10 * 15–500 * 1000mm rectangular raj, nrog tuab ntawm 0.8–30mm.

5. Peb lub Hoobkas nyob ze rau Tianjin Chaw nres nkoj. tsuas yog 40 kilometers.