SINOTEK MATERIALS CO., LTD is an exported oriented company with several years experience in manufacturing and exporting. Itâs located in the beautiful seashore city Qingdao, China. and it is just five kilometers away from Qingdao port, Our strong business scopes include nature graphite, graphite products, heat insulation materials, the carbon rods for dry batteries and other industries and refractory products etc. Everyone in our company would like to provide you the fastest ,most convenient service, most competitive price with world-class quality products. We believe that honest and quality is the key to success for you and me. We would like to have a friendship cooperation with friends from all over the world.