... );04. Finish: Black, Yellow Zinc, White Zinc, White Blue Zinc, H.D.G., Dakeluo.....05. Grade of strength: 4, 6, 8, 10, 12 ... ;08. Materials: SWRCH8A, SWRCH35K, Q195LY, 35#, 45#, 40CrMo Mild Steel, Carton steel........09. Raw Material: bought from Group Company, 100 tons per ...