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How long is your warranty and what documents are available to prove your quality?

How long is your warranty and what documents are available to prove your quality?
Update Time:2018-01-15
How long is your warranty and what documents are available to prove your quality?
1.Under normal circumstances, the warranty period is one year.
2.The type of authentication we have.
  · CE
  · SGS
  · ISO9001:2000
  · CCC
We have gained the trust of customers both at home and abroad with higher quality.