SRRC certification is mandatory for all wireless products being sold into China.
Testing involved for SRRC has some similarities to RED testing for Europe, and some similarities to FCC testing for the U.S.

SRRC certification agency: SRRC

FCC/CE RED certificate/report:  No, only for reference

Wireless module level approval: acceptable with conditions
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Factory inspection: No

Local representative: Yes

Certificate validity: 5 years

Sample requirement: Yes, 5 conductive samples and 1 normal sample

Document checklist: Chinese manual, testing instructions, product specification and others

Lead time:  8-12 weeks
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Certification procedure: 

• Application submission
• Document review
• Sample local testing
• Draft report review
• Issue of SRRC report and certificate