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文山Inspection well series

文山Smart Well Tools Series

文山Insulation box series

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A sealing and fitting structure for a well body

文山A sealing and fitting structure for a well body

Closed physical examination and well inspection

文山Closed physical examination and well inspection

A New Type of Closed Composite Plastic Inspection Well

文山A New Type of Closed Composite Plastic Inspection Well

Business license

文山Business license

High and New Technology Enterprise Certificate

文山High and New Technology Enterprise Certificate

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

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

Assembled high-strength composite resin inspection wells

文山Assembled high-strength composite resin inspection wells

Assembled high-strength composite resin inspection wells

文山Assembled high-strength composite resin inspection wells

Assembled high-strength composite resin inspection wells

文山Assembled high-strength composite resin inspection wells

Assembled high-strength composite resin inspection wells

文山Assembled high-strength composite resin inspection wells

Assembled high-strength composite resin inspection wells

文山Assembled high-strength composite resin inspection wells

Assembled high-strength composite resin inspection wells

文山Assembled high-strength composite resin inspection wells

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

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

Quality management system certification

文山Quality management system certification

Occupational Health Management System Certification

文山Occupational Health Management System Certification

Environmental Management System Certification

文山Environmental Management System Certification

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

文山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

文山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

文山Group standard for IoT intelligent terminal protection water meter wells

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

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

Housing and Construction Department Announcement

文山Housing and Construction Department Announcement

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

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

A structural type of manhole cover

文山A structural type of manhole cover

A kind of combined municipal inspection well

文山A kind of combined municipal inspection well

Electricity intelligent manhole cover

文山Electricity intelligent manhole cover

Split type composite inspection well

文山Split type composite inspection well

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

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

An IoT monitoring well tool

文山An IoT monitoring well tool

A polygonal reinforced well

文山A polygonal reinforced well

A composite well with lateral expansion

文山A composite well with lateral expansion

A kind of interlocking diagonal reinforcement at the corners

文山A kind of interlocking diagonal reinforcement at the corners

A reinforcing structure with reinforcing bars and reinforcing blocks

文山A reinforcing structure with reinforcing bars and reinforcing blocks

A deepening tube with grid-like reinforcement

文山A deepening tube with grid-like reinforcement

A staggered reinforcement structure at the corners

文山A staggered reinforcement structure at the corners

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

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

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

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

A mating composition of a ribbed assembly for a split well

文山A mating composition of a ribbed assembly for a split well

A surface reinforced structure with multiple shape fits on the surface

文山A surface reinforced structure with multiple shape fits on the surface

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

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

A reinforced structure with inner and outer diamond fit

文山A reinforced structure with inner and outer diamond fit

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Hebei Yize Telecom Technology Co., Ltd. aims to innovate, develop, and serve society.

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Add: Renqiu North Ring Economic Development Zone, China

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Tel: +86-317-2980006

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Fax: +86-317-2818686

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Email:hbyzdxkj@163.com

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