In 2009,Lianoning Nano Group began designing and building large natural gas cylinders for storage and transportation of compressed natural gas (CNG)and other industrial gas such He,H2 and N2.Since its foundation,special importance has been assigned for development of high quality extra-large cylinders and NANO group has zeal to become pioneer in green energy through innovation in productions of CNG cylinders and Industrial gas cylinder for storage of high purity gas up to 99.9999%.NANO's philosophy is based on specific key concepts: conservation of nature, save energy,technology and quality. The quality certified by international organisations startting with ISO9001 and ending with the product certification and compliance with international standards such as DOT,ASME and KSO help NANO group to stand with leading CNG cylinder providers in China.