Hotline:0570-7222999
地址 : 浙江省龙游县城南工业区兴业大道12号
电话:0570-7222999
传真:0570-7222998
手机:15268089999
邮箱:zjtrchem@VIP.163.com
The company officially obtained the invention patent certificate of L-theanine preparation method issued by the State Intellectual Property Office on December 21, 2012.