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QUALITY CONTROL

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Daoyunai Energy Saving Technology Limited Quality Control

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Mr. Aaron Wang

aaron@cipptech.com

86-136-4196-7601

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+8613641967601

Contact Now

Company Profile Factory Tour Quality Control

Standard:Utility Model Invention Patent
Number:7588156
Issue Date:2017-10-26
Expiry Date:2027-10-25

Standard:Utility Model Invention Patent
Number:6707592
Issue Date:2016-12-05
Expiry Date:2026-12-04

Standard:INTELLECTUAL PROPERTY MANAGEMENT SYSTEM CERTIFICATION
Number:41920IP00045-04R0S
Issue Date:2020-04-29
Expiry Date:2023-04-28

Standard:Utility Model Invention Patent
Number:4055846
Issue Date:2014-09-15
Expiry Date:2024-09-14

DAO has strict requirements for DAO products.

Daoyunai Energy Saving Technology Limited quality control 0

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CERTIFICATIONS

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Company Profile Factory Tour Quality Control

Certifications

Utility Model Invention Patent

Utility Model Invention Patent

INTELLECTUAL PROPERTY MANAGEMENT SYSTEM CERTIFICATION

Utility Model Invention Patent

DAO has strict requirements for DAO products.

Daoyunai Energy Saving Technology Limited quality control 0

Building 5, No. 1288, Kungang Highway, Songjiang district, Shanghai city 201616

Email: aaron@cipptech.com

Tel: +8613641967601

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