We have developed a good cooperation with some world famous engine and alternator manufacturers, such as the USA cummins, Britain perkins, DongFeng cummins, ChongQing cummins, Lovol-Perkins, Deutz, daewoo, huanchai(China), shangchai(China). In 2000 power world has been approved as the authorized OEM partner of Britain perkins in China. Enya Gong Skype:generator1998 Yahoo:enya_power03 MSN:powerworld111@hotmail.com Email:enya@pw1998.com enyagenerator@gmail.com