The only official English website: www.hq-carbon.com，Our company has not authorized other companies or individuals to act on our behalf.
Please take precautions to avoid being deceived.
Nov. 01, 2019The production cycle is long. The production cycle of regular power graphite electrodes is about 45 days, the production cycle of ultra high power graphite electrodes is more than 70 days, and the production period of graphite electrode joints requiring multiple impregnation is longer. View More >
Oct. 25, 2019Graphite electrode is a kind of high temperature and oxidation-resistant conductive material which is made of petroleum coke and coal tar is used as the binder, produced by crushing, blending, kneading, shaping, roasting, impregnation, graphitization, machining and a series of processes... View More >
Oct. 17, 2019Characteristics of graphite crucible Graphite crucible has good thermal conductivity and high temperature resistance. During high temperature use, the coefficient of thermal expansion is small, and it has certain strain resistance to rapid heat and rapid cooling. View More >
Sep. 30, 2019Crucible can be divided into graphite crucible, clay crucible and metal crucible three categories. In the graphite crucible, there are three kinds of ordinary graphite crucible, different graphite crucible and high purity graphite crucible. View More >