Ningbo Jeing-Yuan Biotechnology Co.,Ltd | Address: 103,Yuehuayuan, Fengshan Street, Ningbo 315400, China 
www.jeing-yuan.com | Send Inquiry | Phone: +86-(574)-62605696
Ningbo Jeing-Yuan Biotechnology Co.,Ltd is a manufacturer of amino acids, nutritional supplements and pharmaceutical intermediates. By focusing on this particular chemical field, we've accumulated abu more...