The registered address of oasis engineering limited in shandong province is no. 1688 of the qingzhou municipality, with registration as the qingzhou municipal market supervisory authority, represented by the legal person wang xing ning, covering general projects such as the development of composite microbiological fertilizers; technical services, technology development, technical advice, technology exchange, technology transfer, technology diffusion; marketing of fertilizers; marketing of fertilizers; construction of greening works in plantations; marketing of horticultural products; import and export of goods; and import and export of technology. (in addition to projects subject to legal authorization, operating on an autonomous basis under a business licence) (a project subject to legal approval may only be carried out with the approval of the relevant department, subject to the approval documents or licences of the relevant department)