The registration address of hebei's sing sing sing sing sing sing sing sing sing sing sing sing is located at no. 1, row 6, north of the hongyang industrial park in hongyang city, with the registration authority being the market supervision authority of guangyang district in hongyang city, with legal representatives, including the development, technical advice and technical advice on the technology of the new type of rotary kilns, including low-pressure seals; processing and sale of the rotary kiln seals, high-temperature composite sheets; sales of: roots, seals, fire-resistant heat materials, polish resins, isomer seals, chemical products (except hazardous chemicals) and water treatment agents. (projects subject to legal approval may not operate without the approval of the relevant department)