篮球技术犯规_nba新闻_欧会杯最新比分及积分榜彩客网_2021年世界杯亚洲区预选赛 - 德容

中國(guó)領(lǐng)先的中粗特種石墨生產(chǎn)商和世界一流的專(zhuān)業(yè)供應(yīng)商

The leading manufacturer of medium-grain specialty graphite in China and a top-ranking professional supplier in the world

我們的使命是
探求人造特種石墨的無(wú)限可能

Our mission is EXPLORING the INFINITE POTENTIALS of SPECIALTY GRAPHITE