Self drilling screws. It is wood drill tail screw; mainly used in steel structure caigang watt fixed can also be used for fixing the simple construction of the sheet material.
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Unique Process Technologies: We're well-known as one of the leading screw pump, lobe pump, mixing tank, storage tank, colloid mill manufacturers and suppliers in China. Please feel free to buy high
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Unique Process Technologies: We're well-known as one of the leading screw pump, lobe pump, mixing tank, storage tank, colloid mill manufacturers and suppliers in China. Please feel free to buy high
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Hangzhou Jiuyuan Gene Engineering Co., Ltd. is a top-biotech joint venture specializing in the research, development, manufacture and marketing of pharmaceuticals based on gene engineering and biochemical technology since 1993.