Attached files
file | filename |
---|---|
EX-31.1 - CERTIFICATION PURSUANT TO SECTION 302 - FOCUS UNIVERSAL INC. | focus_ex3101.htm |
EX-32.2 - CERTIFICATION - FOCUS UNIVERSAL INC. | focus_ex3202.htm |
EX-32.1 - CERTIFICATION - FOCUS UNIVERSAL INC. | focus_ex3201.htm |
EX-31.2 - CERTIFICATION PURSUANT TO SECTION 302 - FOCUS UNIVERSAL INC. | focus_ex3102.htm |
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