Certifications
Standard:
ISO 9001：2015
Number:
CN27124Q0273R0S
Issue Date:
2024-11-07
Expiry Date:
2027-11-06
Scope/Range:
Design,development and sales of PI polyimide film heating elements for consumer eleceric heating products.
Issued By:
Guangdong ZQ Certification Service Co.,Ltd
Standard:
CE
Number:
LH-220603012906
Issue Date:
2022-06-29
Expiry Date:
2025-06-29
Scope/Range:
the r&d and sales of heating films，heating sheets，electric heating products and flexible circuit boards
Issued By:
Shenzhen LH Testing Technology co.Ltd.
Standard:
ROHS
Number:
LH-220603012908
Issue Date:
2022-06-23
Expiry Date:
2025-06-23
Scope/Range:
the r&d and sales of heating films，heating sheets，electric heating products and flexible circuit boards
Issued By:
Shenzhen LH Testing Technology co.Ltd.
Standard:
Graphene far-infrared heating sheet
Number:
检测字第202206000187号
Issue Date:
2022-06-16
Expiry Date:
2025-06-15
Scope/Range:
the r&d and sales of heating films，heating sheets，electric heating products and flexible circuit boards
Issued By:
Jiangnan Graphene research institute
Standard:
FC
Number:
LH-220603012907
Issue Date:
2022-06-29
Expiry Date:
2025-06-29
Scope/Range:
the r&d and sales of heating films，heating sheets，electric heating products and flexible circuit boards
Issued By:
Shenzhen LH Testing Technology co.Ltd.
Company Profile
Shenzhen Datang Dingsheng Technology Co., Ltd.
Contact Person: MissLEI
