ʻO Tianjin Rainbow Steel Group i piha i ke anuanu, kuʻi a me nā mea hana kuʻi a me ka hui limahana ʻike waiwai.ʻO nā huahana i loko o ka ASTM maʻamau WF beam lā nā puʻu kumu lā, C/U-type ground pile, kākoʻo kaʻaahi, a me nā paipu huinaha / paipu pōʻai no nā mea hoʻokele lā a me nā ʻāpana ʻokoʻa hoʻoheheʻe a me nā ʻāpana like ʻole.Hoʻohana nui ʻia nā huahana i ka ʻōnaehana PV mounting ground, slar tracker system, fishery solar mounting system ans PV agricultural greenhouses, etc.