The composition of scrap iron: the chemical composition of scrap iron is: sulfur containing more than 0.12%, phosphorus containing more than 1.0% is high sulfur and high phosphorus scrap iron. The contents of Ni, Mo and Cu in the scrap iron are more than 0.3%, 0.2% and 0.3%, respectively, which are alloy scrap iron. The quality of scrap iron: scrap iron is supplied according to regulations. Mixing supplies are not allowed, and complete sets of machinery and equipment must be disassembled and supplied in the form factor. Alloy steel, iron alloy and non-ferrous metal shall not be mixed in scrap iron, and shall not be mixed into inclusions such as slag and refractory materials. Weapons, flammable, explosive, drugs and closed container scrap iron shall be disposed of safely by the supplier. 3020 Led Chip,3020 Light Strips Led Chips,White Color Led Grow Light Bar,3020 Smd Led Chip Shenzhen Huangtai Photoelectric Co.,Ltd. , https://www.huangtailightstrip.com