... carbon steel and 100 times higher than the average non-metallic.4.Lubricant: The lubricating properties of the graphite ... province. Mainly engaged in manufacturing, researching and selling graphite products, the advanced production line, Testing Room ( for ... Shandong, Hebei , Sichuan, Henan ,Hunan ,Guangdong and other provinces, most of products export to Brazil, USA, Mexico, Germany, Australia, ...