Tianjin Rainbow Karfe Group yana da cikakkiyar ƙirar sanyi, naushi da kayan walda da ƙwararrun ƙwararrun ma'aikata.Samfuran sun haɗa da ASTM misali WF beam solar foundation piles, sanyi-kafa nau'in C/U nau'in ƙasa, rails na goyan baya, da bututun murabba'i mai ƙarfi / zagaye bututu don masu bin hasken rana da sassa daban-daban na tamping da walda.Ana amfani da samfuran da yawa a cikin tsarin hawan ƙasa na PV, tsarin slar tracker, tsarin hawan hasken rana na kamun kifi da gidajen gonaki na PV, da sauransu.