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Beijing Dong Sheng Industry Co. specialized in manufacture of red base and naphthol series products, as one of the earliest producing red base KL and red base KD in the country http://www.dsgygs.com.cn |
Beijing Hard Alloy Plant Cemented Carbide Sealing Blanks Mining Quipments Customer-made Cemented Carbide Products Cutting tools,Jets,Wire-drawing dires. http://www.hardalloy.com |
Citic Heavy Machinery Company Ltd. supply large complete mechanical equipment for the basic industries,e.g mine,coal mining,metallurgical,chemical,etc. http://www.citichmc.com |
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