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A sealing and fitting structure for a well body
Closed physical examination and well inspection
A New Type of Closed Composite Plastic Inspection Well
Business license
High and New Technology Enterprise Certificate
Low-carbon safe operation of urban and rural water supply systems applicable technology and equipment
Assembled high-strength composite resin inspection wells
Development and Application Technology Integration of Assembled High Strength Composite Resin Water Supply Inspection Well
Quality management system certification
Occupational Health Management System Certification
Environmental Management System Certification