Quality

 

 

 

 

 

Standard: ISO 9001：2015 Number: DZ/CN/2107120Q Issue Date: 2021-08-16 Expiry Date: 2024-08-15 Scope/Range: the r&d and sales of heating films，heating sheets，electric heating products and flexible circuit boards Issued By: DaZhong(Guangzhou)certification 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.