¡¡¡¡Zhongbei Stone was founded in the eighties, after more than ten years of hard work, has developed into tens of millions of registered capital , fixed staff of a hundred people, has four processing plants and two large sets Slate Mine mining, processing , sales and service in one of the slate Group . The company has advanced mining equipment in Japan , the modern processing workshop , excellent facilities and self- import and export rights , each producing natural slate 500,000 square meters