Raywin Powertrain Technology Co., Ltd. is a large company registered in Jiangjin Shuangfu District of Chongqing, belong to Chongqing RATO Group, one of Chinese top 500 anufacturing enterprises. Combined with British/Italian/- Japanese prestigious experts and based on Chinese research and development center. We developed new ener-gy-conserving & eco-friendly compact off-highway diesel engine to achieve the goal of high quality and reliability, which lasted eight years. With reliable, compact, low noise, high-efficient and eco-friendly characteristics, all raywin engines result from China's National Emission Level Stage III. stage IV, also can reach EU stage IIIA and stage V.