Leather sofa maintenance

Leather sofa, wipe off the dust and dirt on the surface of the sofa, and then use the care agent (Bilizhu, etc.) to gently wipe the surface of the sofa one or two times (do not use waxy care products), so as to form a protective film on the surface of the leather. The dirt in the futur

How to identify Hetian jade

Hetian jade has a history of thousands of years in China, and it can be said to be one of the household jade species. Its ornamental value and collection value are superior to those of similar products. However, as the market continues to evolve and change, some co