Rajibow Chromate pasivation (C2C) an yi shi ne kan tushen lantarki don samar da fim ɗin da aka yi amfani da shi tare da kauri 8-15μm. Gwajin gishirin gishiri na iya wuce fiye da awanni 72 ban da farin tsatsa.
An yi shi da q235 carbon karfe da sauran kayan, farfajiya shine ƙwaƙwalwa ta C1b (shuɗi-fari zinc) ko C1A (zinc) a cikin GB / t 139111-92 na yau da kullun.
Kamfaninmu yafi samar da kuma siyar da kuliyoyi daban-daban, hoops, kayan haɗi na hoto, tsarin ƙarfe ya rufe sassan, da sauransu.