Hebei Oret Aluminum Alloy Co. Ltd is an economy entity with right of self-determination management sponsored by CSR Shijiazhuang Rolling Stock Works, a modernized professional enterprise engaging in aluminum alloy casting and machinery process. It is an important research, development and manufacture enterprise of railway manufacturing and aluminum alloy fittings. The project of aluminum alloy casting can be traced to introducing aluminum alloy foundry technology from Germany at the end of the 1980s, engaging in the compressor crust casting in railway refrigerated transport refrigeration unit. The present engineering level and production capacity keeps a leading position in domestic trade of that field. We passed triplicate attestation of ISO 9001international quality system. Through Bombardier�??�?�£?? Alstom �??�?�£??ABB qualified suppliers audited. It has various casting technology like low-pressure casting, gravity die casting, sand casting, high pressure casting with annual aluminum alloy casting productivity 1000 tons. Meanwhile it has advanced large-scale machining center and other machinery processing fixing introduced from Britain and America. The products involves in various fields like railway, military industry, aviation, automobile, petroleum, electricity, electron etc. and find a good sale in such countries as America and Europe.