We are key manufacture of Alpha-GPC(cas no.: 28319-77-9) in China,and ALPHA GPC is a good market in the world. we can suppy 50% powder,85% liquid,99% powder our Output for GPC: 200mts/year. (as Drug for patients suffering from dementia such as Alzheimer’s disease and cerebovascular condition as stroke.) Total investment for GPC production line: 5 million USD. We only produce alpha-GPC. so our price is competitive and our quality is good.