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| Patent for 1600mm ultra-wide abrasive belt in roll | Patent for UEA116 ultraprecise grinding belt | Patent for wrapping facade | Patent for elastic fiber abrasive belt |
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| Patent for exclusive use abrasive belt for metal clad plate and its manufacturing method | Patent for continuous spiraling jointing equipment for abrasive belt | Patent for anti-clogging rohmbus-shaped flexible abrasive belt | Patent for organic exhaust gas collecting from waterproof abrasive paper's production |
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| Patent for high-rate grinding abrasive disc | Patent for resin waterproof abrasive pape | Patent for triangle anti-clogging abrasive disc | Patent for tungsten carbide metal abrasive disc |
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| Patent for labelling facade | Patent for automatic chip-removal coated grinding tools. | MPA for fiber disc (1) | MPA for fiber disc (2) |
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| MPA for fiber disc (3) | MPA for grinding wheels (1) | MPA for grinding wheels (2) | MPA for grinding wheels (3) |