Profile: Henan Changyuan Aluminum Industry Co. Ltd. is a supplier of the aluminum products. Our products are widely used as packaging aluminum, automotive aluminum, printing aluminum, electronic aluminum, building and construction aluminum. We also can provide the production and processing, technology research and development, and marketing services. 3003 aluminum is a commercially pure aluminium which boasts excellent mechanical properties and is a widely used aluminium throughont industry.3003 is AL-Mn alloy, it is the most widely used as a rust-proof aluminum, the strength of this alloy is not high (aluminium sheet 3003), heat treatment can not strengthen, so the use of cold working methods to improve its mechanical properties.