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| Certificate of Member Unit for College Student Internship Base | Certificate for Trade Union Construction Standardized Unit | Certificate for Measurement Qualification Confirmation Unit | 
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| Certificate for Science and Technology Research and Development Institution | Certificate of Membership in China International Chamber of Commerce | Certificate for Contract Compliance and Creditworthy Enterprise | 
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| ISO 9001 | Patent Certificate for Conveyor Component of Bearing Outer Ring Cleaning Device | Patent Certificate for Inclined Conveyor Type Bearing Outer Ring Cleaning Device | 
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| Patent Certificate for Feeding and Receiving Device of Grease Injection Device for Bearings | Patent Certificate for Grease Injection Device for Bearings | 
.png) Contact Us +86 13921108576
			Contact Us +86 13921108576