The registration address of the long spring giant ocean gas limited is located at 1188 vongxiang road, green park, changchun city, with the registration authority being the green garden subdirectorate of the changchun city market supervision authority, represented by a legal person, and includes licensed projects: operation of hazardous chemicals; storage of hazardous chemicals; filling of mobile pressure containers / gas cylinders; inspection of special equipment; road transport of dangerous goods; and production of food additives. (a project subject to legal authorization and subject to the approval of the relevant department for the operation of the business, subject to the approval of the relevant department or licence), general projects: rental of special equipment; sale of special equipment; rental services (excluding licensed rental services); sale of food additives; manufacture of basic chemical materials (excluding manufacture of licensed chemicals such as hazardous chemicals). (in addition to projects subject to authorization under the law, the operation of the business is carried out autonomously under a licence)