The registered address of qingdao stech engineering materials ltd. Is located in the west of jigang village in qingdao, qingdao, qingdong province, with the registration authority being the market supervision authority of qingdao city, mokang city, with legal representatives and covering general projects such as the manufacture of marine engineering equipment; the manufacture of buoys and related devices; the manufacture of ship-based accessories; the manufacture of rubber products; the manufacture of plastics; the manufacture of fibreglass enhanced plastics; the sale of metals; the sale of high-performance fibres and composite materials; the sale of rubber products; the sale of plastics; the sale of needle textiles and raw materials; the sale of synthetic materials; and road management and conservation. Licensing projects (in addition to those subject to legal authorization, the operation of which is carried out on an autonomous basis in accordance with a licence of business): import and export of goods; import and export of technology; construction work; subcontracting of construction services. (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)