Hi, I am sumy from Shanghai Chen Industrial Company. We are a Sino-US joint venture. We are making generators and our factory is in Songjiang district, Shanghai, China. We specialize in the production and export of Diesel and natural gas generators from 12kw to 2000kw.We aslo make CNG home refueling appliance. Below is some brands we often use Engine: Cummins Yanmar Perkins Deutz Alternator: Stamford Marathon Controller: DeepSea Monicon Advantage: 1) Our R&D team has an average of 20 years experience. Furthermore, our chief R&D engineer is from the US and has more than 30 years of professional expertise in this industry. 2) Our quality control process is in accordance to the standards of the US. .And engineers from the US train our operators. 3) We can make generators according to your requirements. Please go to our website ***** for more information. Shanghai Chen Industrial Company Website:***** Email: ***** MSN: ***** Skype: sumy120 Tel: 86-21-64936415 Fax: 86-21-51062532