Beijing Valve General Factory Co., Ltd.(BVMC), na muai taʻua o Beijing Valve General Plant, na faavaeina i le 1952, o le taʻutaʻua lea o atinaʻe o le maualuga o le mamafa o le valve ma le ausa mailei valve i totonu o le vaega muamua o le National Mechanical Department mai le faavae. o Tagata.