According to the testing of Stim-Lab, Frac Tech Laboratory and Reservoir Stimulation Laboratory of RIPED-Langfang PetroChina, our products are all reached the standard of SY/T5108-2006, SY/T6302-1997. As supplier of CNPC, PetroChina and Weatherford, we are in the leading position of this industry. 1.5T/bag
