I ordered some amino acid powders from Yolanda Yuan (fake name), or yuancheng pharmaceutical company. When I received the product it did not appear as other amino acids that I had purchased from other companies.
I inquired as to why product was not consistent with other same known product. And was given the run around. Eventually Yolanda stated that her company is known as a swindler.
She then quite responding to my emails.
I had searched her name and company prior to ordering, but found no negative information. Having more info on her and the company I am able to find a lot of people that had the same problem with them.
They go by chenhyuan,and by yuancheng. Probably more company names. All emails starting with "ycsales" or "ycgsales" appear to be the same rip off company.