Beijing walda cultural products ltd., a joint stock company specialized in the development and manufacture of writing boards, is the first in the industry to pass iso 9001 international quality system certification and iso 14001 international environmental system certification. The site covers more than 22,000 square metres, and more than 5,000 square metres of office buildings and production workshops have been opened. Bookboards produced by the factory are divided into teaching and office series, consisting mainly of whiteboards, green panels, mollusks, velvet and electronic plates, all of which are magnetic plates. Recently, the company introduced new push-and-pull combination television boards and electric lift-down blackboards. The wall brand boards mostly use import boards from the united states, japan and korea with different grades, and all products are equipped with aluminium alloy or wooden frames developed by the company itself and patented, with different european and as...