Inner Mongolia Yidong Petroleum Fracturing Proppant Co., Ltd is Your Best Choice. We are the professional manufacturer, specializing in the research, production and sales of ceramic proppant, as well as one of the largest manufacturers in the domestic. We pay more attention to our quality-control standards, inspect raw materials and finished products on a daily basis. All of our finished products have been tested and approved by our Quality Assurance Team before leaving the factory. We are dedicated to studying and developing more products with different strength and specifications in order to meet the needs of oilfield customers at home and abroad.