CPP provides global clients with oil & gas onshore storage construction services in the filed of crude oil, product oil, LPG, and underground oil and gas storage cavern, with the capability to construct 10 million m³ storage per year. As for underground gas storage, CPP has independently developed more than 10 essential technologies and related ground technologies applicable for various types of condensate gas/oil storage reservoir and salt cavern, including underground gas storage peak shaving technology, wellhead antifreeze anti-coagulation technology, pumped gas processing technology, gas filling compressor selection technology, filling and recovery technology, black oil removal and control technology. It also has optimized technologies for the entire natural gas network including production, supply, storage and distribution the surface and subsurface construction, the filling and recovery process in gas storages, which further guarantee the global energy saving.