Xiamen AOSIF Engineering Ltd. has been manufacturing generating sets since its foundation in 2001. The company has accumulated rich experience in the manufacture and maintenance of generator sets. AOSIF products are in compliance with ISO8525 and GB / T2820-97 standards, are qualified by ISO9001, ISO14001 management system and CE certification. AOSIF has been awarded the well-known XIAMEN and FUJIAN trademarks and received dozens of patents, which have received high praise from consumers. AOSIF generators are exported all over the world.