inner mongolia yidong petroleum fracturing proppant co., ltd is your best choice . as the professional manufacturer, specializing in the research, production and sales of ceramic proppant, we pay more attention to our quality-control standards . we 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. the fracturing proppant is the necessities in oil (gas) hydr aulic fracturing technology development and mining, and it plays a tremendous role in the increasing production in oil (gas) field. ceramic proppant is the key material in low-permeability fracturing of oil and gas wells exploitation. we develop and produce 52mpa 69 mpa 86 mpa 102 mpa high strength oil fracturing proppant , a kind of high technical content of product.   yidong proppants is a kind of eco-friendly product with super high crush resistance and proven results for stimulation of oil and gas wells, it can not only increase the production but also prolong the service life of oil and gas wells