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Daoyunai Energy Saving Technology Limited
Committed to underground pipeline CIPP and CCTV
Verified Supplier

3 Years

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Daoyunai Energy Saving Technology Limited Quality Info

Daoyunai Energy Saving Technology Limited
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Certifications

Daoyunai Energy Saving Technology Limited Certifications
Standard: Utility Model Invention Patent
Number: 7588156
Issue Date: 2017-10-26
Expiry Date: 2027-10-25
Scope/Range: Trenchless pipe repair UV cure
Issued By: State Intellectual Property Office
Daoyunai Energy Saving Technology Limited Certifications
Standard: Utility Model Invention Patent
Number: 6707592
Issue Date: 2016-12-05
Expiry Date: 2026-12-04
Scope/Range: Trenchless pipe repair CCTV
Issued By: State Intellectual Property Office
Daoyunai Energy Saving Technology Limited Certifications
Standard: INTELLECTUAL PROPERTY MANAGEMENT SYSTEM CERTIFICATION
Number: 41920IP00045-04R0S
Issue Date: 2020-04-29
Expiry Date: 2023-04-28
Scope/Range: Production and sales of pipeline inspection and trenchless repair equipment intellectual property management involved in the R&D
Issued By: HUAYI certificate center
Daoyunai Energy Saving Technology Limited Certifications
Standard: Utility Model Invention Patent
Number: 4055846
Issue Date: 2014-09-15
Expiry Date: 2024-09-14
Scope/Range: Trenchless pipe CCTV crawler
Issued By: State Intellectual Property Office

Company Profile

Daoyunai Energy Saving Technology Limited

Contact Person: Aaron Wang

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