Zhengzhou, Henan, China,
Henan Julong Bilogical Engineering Co.,Ltd was founed in 1997.Atpresent, we have about 1200 employees and 50 research anddevelopment engineers. We are located the center of China, HenanProvince. So , never lack manpower raw materials suchas corns. As a ...
bcaa amino acid such as --tryptophan, l-threonine, l-isoleucine, l-leucine, l-valine
