Zibo Yufeng Industrial Co.,Ltd is one of Hi-tech enterprises of Shangdong province,Its major industries are Quartz materials ,Crystal units, coal and construction materials. There are four branches which produce quartz materials and crystal units, namely Zibo Chuanbei Crystal Materials Factory, Zibo Yuchi Electronics Co.,Ltd, Shandong Yufeng Electronics Co.,Ltd and Raltron Shandong Yufeng Electronics Co.,Ltd, it is one of the factories in China that manufactures raw materials as well as end products in the field of crystal  >>>