Tianjin Rainbow Steel Group nwere ngwa ọrụ zuru oke maka ịkpụ oyi, ịkụ ọkpọ na ịgbado ọkụ, yana ndị ọrụ bara ọgaranya nwere ahụmịhe. Ngwaahịa ndị a gụnyere ASTM ọkọlọtọ WF beam solar piles, ikpo ala C/U nke oyi kpụrụ, okporo ụzọ nkwado, na tubes square/pipe gburugburu maka ihe nlele anyanwụ na akụkụ dị iche iche nke tamping na ịgbado ọkụ. A na-eji ngwaahịa ndị a eme ihe nke ukwuu na sistemụ PV installing ala, sistemụ tracker slar, sistemụ ịkụ azụ na griin haus ugbo PV, wdg.