The registration address for yung county is 8th group 081 of the single-heading village of the yukang township in boding county, hebei province. The registration body is the market supervision authority of the yu county and is represented by chen man. The legal entity is engaged in marketing activities such as filling in masters, colours, functional masters, dynamic masters, rubber mats, rubber rings, debreasing masters, plastic particles, plastic tubings (the project is subject to authorization by the relevant department only to carry out operations)。