dear sirs, we are a professional manufacturer of many kinds of graphite,include flake graphite,expandable graphite,graphite sheet/roll,gasket,sealing ring,etc. as you known,the rich zone of graphite in china lies in shandong province,in ,it reffers to our city. we have our own mine,from mining to xxxxx we shall provide the high quality products,competitive prices to you. we will be very appreaciated receiving your inquiry. best regards, yours faithfully, pubo