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- IATF16949 certificate from Shenzhen factory - Chinese and English versions
- Chinese version of ISO9001 certificate for Jiangxi factory
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- Ji'anlei Xinda CQC certified multi-layer board
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- Jiangxi Pollution Discharge License
- Huajin RoHS Report 2021.4.1 Chinese
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- OSP RoHS Report 2021.4.1 Chinese (1)
- OSP RoHS Report 2021.4.1 Chinese (2)
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- Lead free tin spraying RoHS report 2021.4.1 Chinese
- Lead free tin spraying RoHS report 2021.4.1 Chinese