Proppant quality supervision

To support some deficiencies in quality and network management agent, issued On the Further Strengthening of the Proppant Fracturing Standardized Management Notice in 2007.

  Implement the safe development, clean development concept, strengthen scientific management norms, straighten out the relationship further, strengthen the supporting agent quality supervision, so that the production, use and quality management support agent to achieve a virtuous circle, to further standardize the fracturing proppant network management system, at present already chemical.