Yongfeng Enterprise Co., Ltd.

Warranty policy:

We warrant that new equipment to be free from defects in workmanship and materials for a period of 13 months (four months for accessories) from shipment date under normal use and service. Our obligation under this warranty is limited to repairing, at our option, any part which is upon our examination proved defective.

The warranty shall not extend to any instrument that:
1) has been subjected to misuse, negligence or accidents;
2) caused by modification or repair by anyone except us or our designated person;
3) from which our original serial number tag or product identification markings have been altered or removed....