Standard: Utility Model Patent Certificate Number: CN2091201480U Issue Date: 2020-10-01 Scope/Range: Product design Issued By: Science and Technology Innovation Committee

Standard: Product design Number: CN2017201556U Issue Date: 2018-02-06 Scope/Range: Product design Issued By: Science and Technology Innovation Committee

Standard: Product design Number: CN2081201462L Issue Date: 2020-05-14 Scope/Range: Product design Issued By: Science and Technology Innovation Committee

Standard: PC Material UL Number: E244324 Issue Date: 2022-06-05 Expiry Date: 2024-06-05 Scope/Range: Component - Plastics Issued By: TEIJIN KASEI(HK)LIMITED GUANGZHOU REP.OFFICE

Standard: PMMA SGS Report Number: CANEC2109090811 Issue Date: 2021-08-20 Expiry Date: 2025-03-20 Scope/Range: Optics Material Issued By: TEIJIN KASEI(HK)LIMITED GUANGZHOU REP.OFFICE

Standard: High tech Enterprise Certificate Number: GR20224404098 Issue Date: 2022-12-19 Expiry Date: 2026-12-19 Scope/Range: Issued By: Science and Technology Innovation Committee

Standard: Number: Scope/Range: Issued By:

Standard: I50 9001-2016 Quality Management System Certification Number: BST Issue Date: 2022-01-01 Expiry Date: 2028-06-13 Scope/Range: Lighting Issued By: BST