Ningbo Kang Ying Health Technology Co., Ltd: Specializing in precision metal fabrication and CNC machining, your one-stop metal fabrication service manufacture.
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Green silicon carbide is made of petroleum coke and high quality silica as the main raw materials, with salt as the additive. It is smelted by resistance furnace at high temperature. After smelting,
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TONGDA is one of the most professional ppgi manufacturers and suppliers in China. Please feel free to buy cheap ppgi in stock here from our factory. All our products are with high quality and
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