The registration address of the water cobalt hypothetical technology company ltd. Is at b1003 business and trade city, hebei province, and the registration authority is zhuang county market supervision authority, represented by the legal person zhang xuexia. The activities include the production and sale of hydraulic fluids, connections, high-pressure tubes and aggregates, rubber seals, polyamino products, metal hoses, metal products, tetrafluorinated products, compensatoryrs, bending tubes, fluid pipelines** (projects subject to the approval of the law and prior to operating activities with the approval of the relevant department)