The registration address of tang chung biotech limited, shandong province, is located in district n of jn150 cultural creative plant no. 83, located in jenan city, shandong province. The registration authority is the market supervision authority of jeunan city central district, represented by legal persons zhou. The activities include general projects: technical services, technology development, technical advice, technology exchange, technology transfer, technology diffusion; biological feed development; industrial enzyme formulations development; biochemical products technology development; bio-based materials technology development; specialized chemical product sales (excluding dangerous chemicals); food additive sales; feed additive sales; food sales (for prepackaged foods only); and internet sales (other than goods that require permission for sale). (in addition to projects subject to authorization under the law, the operation of the business is carried out autonomously under a licence)