Hi FilipPlease address hinge #4 cylinder leakage issue to Protea Poland, CN-BAO found this issue after 3 months blade production with this hinge, I have enclosed photos regarding to leakage and PO information as below for supplier tracking, thanks a lot.1. If hinge still in Warranty period2. How to repair this replace cylinder or only Sealing ring of cylinder ?3. Lead time of parts from Protea to CN-BAO4. Detail WI should be provide by Protea