User manuals, setup guides, troubleshooting help, and repair information for Hengshan products.
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Official product similarity declaration from Dongguan TangXi Electronics Technology Co., LTD for their SOLAR SYSTEM product line. This document confirms that multiple models (e.g., NS-8152LS, NS-8139LS, etc.) share ident
1 page
Official EU Declaration of Conformity for the Helmet Visor Sun (Model KA1 S3), manufactured by Ningbo Tianqi Technology Co. Ltd and imported by EDELRID GmbH & Co. KG.
7 pages
Official Declaration of Conformity for the Dual Type C Car Phone Quick Charger, confirming compliance with EU Low Voltage, EMC, and RoHS directives.
2 pages
Official EU Declaration of Conformity for the Helmet Visor Clear (Model KA1 S0) by Ningbo Tianqi Technology Co., Ltd and EDELRID.
7 pages
Official EU Declaration of Conformity for the Helmet Visor Mesh (Model KA1 FM) by Ningbo Tianqi Technology Co. Ltd, imported by EDELRID.
7 pages
Official agent authorization letter for FCC ID 2BN9KTEX-T9, submitted by Shantou Chaoyang district Gurao Tao Erxin electronics factory to authorize SHENZHEN TONGCE TESTING LAB for equipment certification and confirm comp
1 page