1. he hana ʻoihana a mākou a he mea hoʻopuka aku no ka paipu kila.

2. ua noi mākou a loaʻa iā mākou he 3 mau palapala Sila Nui. (Paipu Groove, Paipu poʻohiwi a me ka paipu Victaulic)

3. ʻO kā mākou lako hana hana e komo pū me 4 mau laina huahana galvanized mua, 8 mau laina huahana paipu kila ERW, 3 mau laina hana galvanized i hoʻoluʻu ʻia i ka wela)

4. ʻOi aku ka nui o nā paipu like ʻole ma mua o 300 tausani tone i kēlā me kēia makahiki. E uhi ana i ka laulā o ka paipu poepoe 15-457mm. 10*10–1000*1000mm paipu huinaha, 10*15–500*1000mm paipu huinahā, me ka mānoanoa o 0.8–30mm.

5. Aia kā mākou hale hana kokoke i ke awa ʻo Tianjin. he 40 kilomita wale nō.