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秦皇岛Inspection well series

秦皇岛Smart Well Tools Series

秦皇岛Insulation box series

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秦皇岛

A sealing and fitting structure for a well body

秦皇岛A sealing and fitting structure for a well body

Closed physical examination and well inspection

秦皇岛Closed physical examination and well inspection

A New Type of Closed Composite Plastic Inspection Well

秦皇岛A New Type of Closed Composite Plastic Inspection Well

Business license

秦皇岛Business license

High and New Technology Enterprise Certificate

秦皇岛High and New Technology Enterprise Certificate

Low-carbon safe operation of urban and rural water supply systems applicable technology and equipment

秦皇岛Low-carbon safe operation of urban and rural water supply systems applicable technology and equipment

Assembled high-strength composite resin inspection wells

秦皇岛Assembled high-strength composite resin inspection wells

Assembled high-strength composite resin inspection wells

秦皇岛Assembled high-strength composite resin inspection wells

Assembled high-strength composite resin inspection wells

秦皇岛Assembled high-strength composite resin inspection wells

Assembled high-strength composite resin inspection wells

秦皇岛Assembled high-strength composite resin inspection wells

Assembled high-strength composite resin inspection wells

秦皇岛Assembled high-strength composite resin inspection wells

Assembled high-strength composite resin inspection wells

秦皇岛Assembled high-strength composite resin inspection wells

Development and Application Technology Integration of Assembled High Strength Composite Resin Water Supply Inspection Well

秦皇岛Development and Application Technology Integration of Assembled High Strength Composite Resin Water Supply Inspection Well

Quality management system certification

秦皇岛Quality management system certification

Occupational Health Management System Certification

秦皇岛Occupational Health Management System Certification

Environmental Management System Certification

秦皇岛Environmental Management System Certification

People's Republic of China communications industry standard "underground communications pipeline with preformed composite man (hand) hole

秦皇岛People's Republic of China communications industry standard "underground communications pipeline with preformed composite man (hand) hole

China Association for the Promotion of International Science and Technology "assembled high-strength composite resin inspection wells

秦皇岛China Association for the Promotion of International Science and Technology "assembled high-strength composite resin inspection wells

Group standard for IoT intelligent terminal protection water meter wells

秦皇岛Group standard for IoT intelligent terminal protection water meter wells

Standardization Working Committee of China Association for the Promotion of International Science and Technology

秦皇岛Standardization Working Committee of China Association for the Promotion of International Science and Technology

Housing and Construction Department Announcement

秦皇岛Housing and Construction Department Announcement

Technical standards for assembled high-strength composite resin water supply wells

秦皇岛Technical standards for assembled high-strength composite resin water supply wells

A structural type of manhole cover

秦皇岛A structural type of manhole cover

A kind of combined municipal inspection well

秦皇岛A kind of combined municipal inspection well

Electricity intelligent manhole cover

秦皇岛Electricity intelligent manhole cover

Split type composite inspection well

秦皇岛Split type composite inspection well

A kind of FRP resin inspection well with prefabricated composite seal at the branch pipe opening

秦皇岛A kind of FRP resin inspection well with prefabricated composite seal at the branch pipe opening

An IoT monitoring well tool

秦皇岛An IoT monitoring well tool

A polygonal reinforced well

秦皇岛A polygonal reinforced well

A composite well with lateral expansion

秦皇岛A composite well with lateral expansion

A kind of interlocking diagonal reinforcement at the corners

秦皇岛A kind of interlocking diagonal reinforcement at the corners

A reinforcing structure with reinforcing bars and reinforcing blocks

秦皇岛A reinforcing structure with reinforcing bars and reinforcing blocks

A deepening tube with grid-like reinforcement

秦皇岛A deepening tube with grid-like reinforcement

A staggered reinforcement structure at the corners

秦皇岛A staggered reinforcement structure at the corners

A re-straight fit structure of well body and deepening pipe

秦皇岛A re-straight fit structure of well body and deepening pipe

A concave-convex structure docking mating structure applied to a closed composite well

秦皇岛A concave-convex structure docking mating structure applied to a closed composite well

A mating composition of a ribbed assembly for a split well

秦皇岛A mating composition of a ribbed assembly for a split well

A surface reinforced structure with multiple shape fits on the surface

秦皇岛A surface reinforced structure with multiple shape fits on the surface

A seal fitting structure at the position of well body and top cover

秦皇岛A seal fitting structure at the position of well body and top cover

A reinforced structure with inner and outer diamond fit

秦皇岛A reinforced structure with inner and outer diamond fit

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