The 23rd International Exhibition for Refrigeration, Air-conditioning, Heating and Ventilation, Frozen Food Processing, Packaging and Storage (CHINA REFRIGERATION 2012) will be held on April 11-13, in New China International Exhibition Center, Beijing. Initiated in the year of 1987,CRH Expo has become one of the most successful global exhibition in its industry over the last 25-years. The 23th CRH Expo in 2012 has 1078 enterprises register booths, a new record of exhibition area 92,700 Square Meter and expected visitors over 50,000. With the certifications by the International Association of Exhibition Industry (UFI) and Foreign Commercial Service of Department of Commerce U.S (US FCS), "China Refrigeration Expo" is well-known as one of the global leading exhibition in HVAC&R industry.CRH Expo is not only a stage where enterprises showing their leading-edge products and technologies, but also arnea where the same occupation’s companies match with products, progress on technology, services and attract potential customers. The market trends obviously told us that metal wheel was a fast growing up in recent years. We are all have confidence about it. Meanwhile, our competitors have made progress on products, technologies and technics. It’s a big challenge for Langdi management teams and employees. On the bright side, it’s a opportunity for us too. None of Landdi employees fears to face challenge. We have determination and strength to keep the best position in crowded and competitive wheel and fan market.