ʻO Tianjin Rainbow Steel GroupʻO ia ka mea hana a me ka mea hoʻolako i Kina, He loea mākou i ka hana ʻana i nā paipu kila welded kiʻekiʻe, nā paipu kila galvanized, nā paipu kila ERW, ʻO ke kila kila wela, GCOE square / rectangular steel pipe.ʻO kā mākou mea hana hana me nā laina huahana paipu kila 5, hiki iā mākou ke hoʻolako i 350 tausani tons i kēlā me kēia makahiki.Hoʻopaʻa mākou i ka mīkini hou loa, nā mākau hana kiʻekiʻe loa, a me kahi ʻōnaehana hoʻokele maikaʻi loa me kahi hoʻonohonoho piha o nā mea hana hou no ka hoʻāʻo ʻana a me ka nānā ʻana mai ka hoʻokuʻu ʻana i nā mea maka a hiki i ka lawe ukana.Loaʻa iā mākou ka palapala hōʻoia o BV a me ISO9001: 2000.Hiki i kā mākou huahana ke hoʻokō i nā kūlana ASTM DIN JIS GB BS.Hoʻohana ʻia kā mākou huahana i ka Petroleum, ka mana, ke kinoea metallurgy, ka hana pepa, kemika, nā mea lapaʻau, ka mokulele, ka wela o ka paila, ka hoʻololi ʻana, ka hana moku, ke kūkulu ʻana, a me nā mea ʻē aʻe. , ʻAmelika Hema, Asia Hema, Iapana, HongKong a me Taiwan.ʻO kā mākou pahuhopu ke kūlana kiʻekiʻe loa, ke kumukūʻai hoʻokūkū, a me ka lawelawe maikaʻi loa e hōʻoluʻolu i kā mākou mea kūʻai aku, e hoʻomau mākou i ka hana ʻana a me ka hana hou, kūkulu i kahi ʻoihana hilinaʻi maikaʻi loa a kiʻekiʻe loa i ka honua.Hoʻokipa mākou i nā mea kūʻai mai a puni ka honua e hui pū me mākou, hoʻomohala a pōmaikaʻi iā mākou ʻelua!