Xiamen AOSIF Engineering Ltd, who is devoted to the R&D and manufacturing of diesel generator sets since its establishment in 2001, AOSIF accumulates a wealth of experience in the manufacturing and maintenance of generator sets field. AOSIF new factory covers an area of 33,333 square meters located in Xing Tai industrial park of Chang Tai Economic Development Zone. AOSIF production are submit to ISO8525, GB/T2820-97 and CE certification, and quality certified by ISO9001 & ISO14001 Management System to guarantee high quality products and service. MeanwhileAOSIF is awarded two Famous Trademarks of Xiamen and Fujian, and also awardedHigh and New Technology Enterprises. We have earned dozens of patents. Now AOSIF power generators have already been exported to all over the world and to be with great recognition and approval.