TECHNOLOGIES
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An oil sludge sand dewatering device
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A colla corii asini drying system and technology
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A universal rotary sealing device and rotary equipment
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Energy-saving and environment-friendly lignite and briquette preparation process and system
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A steam distributing chamber
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A sludge drying tail gas treatment device and method suitable for sludge treatment plant
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A municipal sludge drying tail gas treatment device and method
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A membrane dust removal device and coal pyrolysis process using this device