Guangzhou Ofiystfil Audio Co.,Ltd, is located in Panyu district Guangzhou city China, with brand name Ofiystfil, specialize in researching, manufacturing and selling professional audio products for more than 15 years since year 2003. Ofiystfil main products are power amplifier and loudspeaker, with much good experience of providing solution for stadiums, concert, night club, bar and church,etc... By now Ofiystfil products have been sold to over 40 countries. We also provide OEM &ODM service .Quality is our first principle, and we will always keep thinking for customers!