The group to which the company belongs was founded in 1994, providing long-term services to the CNPC system. In its early years, it focused on oil product testing, blending technology training, and lubricant distribution. In 2011, it expanded into the field of lubricant purification and regeneration, establishing a laboratory. By 2014, a research and development department was set up, accumulating over a dozen patents. In 2016, the group launched the Guoju Environmental Protection GJ-1 generation filtration equipment, which has now evolved to the GJ-2 generation. The group's core business has fully transitioned to industrial oil purification and regeneration.

The equipment is suitable for various industries such as hardware, injection molding, die casting, mold manufacturing, shipyards, and oil depots. It can handle hydraulic oil, cutting oil, machine oil, and more, effectively removing moisture, impurities, and sludge to restore oil performance, protect equipment, and extend service life. Customized solutions are provided based on customer needs, with treatment costs as low as 0.1 yuan per liter, significantly reducing corporate oil expenses. The operation is simple, stable, and reliable.