Jinyang base Assay: 99% Packing: 1kg/20kg/50kg/foil bag Appearance: The product is yellow or light yellow crystalline powder, odorless, tasteless, soluble in water and alcohol Usage: For the treatment of erectile dysfunction (ED), the use of antidepressants, antipsychotics and anti-hypertensive drugs cause impotence, and after surgery or trauma caused by impotence are valid E-mail: zq@chembj.com Skype: fan-@outlook.com