Circle source company is dealer of office and home heating fuelOur company is located in North Thailand Chang Rai we offer and sale all kind of office and documentry equipment including writting materials such as papper.pens, pencill, cardboard, A1 A2 A3 B1 B2 B3 B4for our energy home product we sale pine wood pelletCharcoal and heating fuel at good and transperent methode of businesswe welcome all buyer who have interest with us.