Sanho has replied that their policy is not to refund shipping charges. I have responded that their refusal to refund the $9.83 shipping charge for a product that doesn't work as specified has cost them a customer and a supporter.
I have recommended their products several times on Nikonians.org. I am now retracting all these recommendations.
Gary in SE Michigan, USA. Nikonians membership - My most important photographic investment, after the camera. D4, D810, D300 (720nm IR conversion), D90, F6, FM3a (black), FM2n (chrome) YashicaMat 124, Graflex Speed Graphic 4x5 My Nikonians Gallery & Our Chapter Gallery