Hi-tech materials co., ltd

Hi-tech Material Co.,Ltd is the leading manufacturer of silver carbon brush in China,Website:://.htmagroup.com, welcome to wholesale cheap silver carbon brush from our factory. Hi-tech Material Co., Ltd is a carbon group company which is one of the worldwide leading manufacturers of graphite material, graphite felt and carbon carbon composite. The company is mainly engaged in research, development, production, sales of carbon carbon composite. Currently, it has developt a production structure of graphite material, graphite felt and carbon carbon composite.