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Dengfeng City Hongchang Refractories Co., Ltd. is the production of high-temperature light-weight refractories professional manufacturers, products, direct contact with flames, high temperature, low t... |
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Beijing access to fire-resistant Technology Co., Ltd. was founded in 1981, the upper part of the Beijing Gold Corp., a high-tech enterprises. Company in Beijing Zhongguancun High-tech Industry Develop... |