All architectural decoration and components are designated by the State production factories, with a production license, the product as a product and, according to statistics from related departments of product testing certificate of

All construction and decoration, and other products and components are specified by the State production factories, with a production license and product-level statistics according to the authorities and the certificate of competency testing.

All products and so on construction repair and component, the manufacturer production which assigns by the country, has the production certificate, the product for the level and according to the department concerned statistics product examination certificate of quality,

All architectural decoration and widget products, designated by the national manufacturers of production, with a production license, and according to statistics from related departments at the product level product inspection certificate of competency,

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