Product Resources
H3, X3 and L3 series, representative models and essential specifications.
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A centralized resource center for Hai Xiaolang products, SymHands corporate information, certification and testing documents, and EASS technology and sustainability content.

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H3, X3 and L3 series, representative models and essential specifications.
Learn More →SymHands, the Hai Xiaolang product brand and the EASS ecological system.
Learn More →Documents are published only after validity, coverage and public permissions are confirmed.
Learn More →Platform-based products, manufacturing capabilities, circular regeneration and long-term development.
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The following files are existing public resources in this project and exclude internal policies, costs, BOMs, supplier information and non-public technical files.
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RESOURCE NOTICE
Public resources follow the current website version. Certification and testing documents must be checked for validity, covered models and registration relationships.
Only confirmed public corporate, product and technology resources are published.
Certification, testing and registration information is subject to the latest valid official documents.
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