The design and construction of ultra-low temperature cold storage for the world’s top 500 enterprises AU Optoelectronic is completed on April 15, 2010. The insulation layer of the low-temperature cold storage is made of 150mm polyurethane double-sided color plate. Refrigeration unit selects Germany Bitzer’s product. The cold storage temperature is -40 Celsius degree. The cold storage is equipped with international brands of electronic control accessories and refrigeration unit accessories. Haocool is responsible for the whole project and the cold storage passed one-time inspection. The equipment has operateed well so far.