The hong kong city's grand monument plant, located on the 21st floor of the yangshan community village in yongshan city, wenzhou, zhejiang province, is registered as the longang city market supervisory authority, with legal representation and covers general projects such as plastic film products, packaging bags, labels, non-dry glue, gasket processing and sale (in addition to legally approved projects, the operation of which is carried out autonomously under a licence)。