... spangle, small spangle, big spangle, non-spangleSurface TreatmentChromate, Oil, Lacquer Seal, Phosphating, etc Application:GI coil products are ... , agriculture, animal, husbandry and fishery, and commercial. a.) Construction industry is mainly used in the manufacture of ... processing equipment, etc;e.) Commercial is mainly used as a material handling, packaging equipment, etc. Certificate: Payment ...