les certifications
Standard:
ISO 9001：2015
Nombre:
DZ/CN/2107120Q
date d'émission:
2021-08-16
date d'expiration:
2024-08-15
champ d'application / portée:
the r&d and sales of heating films，heating sheets，electric heating products and flexible circuit boards
Délivré par:
DaZhong(Guangzhou)certification Co.，Ltd.
Standard:
CE
Nombre:
LH-220603012906
date d'émission:
2022-06-29
date d'expiration:
2025-06-29
champ d'application / portée:
the r&d and sales of heating films，heating sheets，electric heating products and flexible circuit boards
Délivré par:
Shenzhen LH Testing Technology co.Ltd.
Standard:
ROHS
Nombre:
LH-220603012908
date d'émission:
2022-06-23
date d'expiration:
2025-06-23
champ d'application / portée:
the r&d and sales of heating films，heating sheets，electric heating products and flexible circuit boards
Délivré par:
Shenzhen LH Testing Technology co.Ltd.
Standard:
Graphene far-infrared heating sheet
Nombre:
检测字第202206000187号
date d'émission:
2022-06-16
date d'expiration:
2025-06-15
champ d'application / portée:
the r&d and sales of heating films，heating sheets，electric heating products and flexible circuit boards
Délivré par:
Jiangnan Graphene research institute
Standard:
FC
Nombre:
LH-220603012907
date d'émission:
2022-06-29
date d'expiration:
2025-06-29
champ d'application / portée:
the r&d and sales of heating films，heating sheets，electric heating products and flexible circuit boards
Délivré par:
Shenzhen LH Testing Technology co.Ltd.
Profil de la société
Shenzhen Datang Dingsheng Technology Co., Ltd.
Contact: MissLEI
