The registration address of jan can be found at 231 midway in the town of caotien, boucho county, with the registration authority being the city data office of yangzhou, represented by yukosu and operating in areas such as methylphosphate, ethylphosphate, tria (beta-chloroethyl) phosphate, tria-chloropropate, polyurethane adhesives, car window glue, multi-purpose glue development, production and sale (restricted to the company's own production). The following operations do not include pre-licensed items such as hazardous chemicals: organic silicon, surfactants, refined chemical products, construction chemicals, building seals, alkyl glucose and its products processed, sold; import and export of self-employed and surrogate goods, with the exception of goods that are restricted to business operations or prohibited from import and export by the state. (projects subject to approval under the law may not operate without the approval of the relevant department)