The registered address of the insulation materials plant of the grand port of tianjin city is located in li zheng zhang village, xiao zhang zhang town, in the new zone market supervision authority of tianjin city, represented by legal persons from zhou zhou zhou zhou zhou zhou zhou zhou state, and includes the manufacture of impregnated fibre products, phenol flour and its products, glass and steel products. Car cargo. (projects subject to legal approval may not operate without the approval of the relevant department)