Circle source company is dealer of office and home heating fuel Our 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 B4 for our energy home product we sale pine wood pellet Charcoal and heating fuel at good and transperent methode of business we welcome all buyer who have interest with us.