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 asian styles available to users. Wall's products are well produced and highly technocratic, and the series has been awarded two patents on "face design" and four patents on "putting newer" patents. Both imported and domestically produced boards are favoured by users from all walks of life, and products are best sold within and outside the country. The company operates for customer satisfaction and meets the different needs of a wide range of new and old clients on the basis of the concept of "good faith, merit and merit"。