low price ISO factory high purityD-Tryptophan, methylester, hydrochloride (1:1) CAS NO.14907-27-8 CAS NO.14907-27-8

quality: qa/qc systems and six sigma methodology

production capacity:gram to kg to ton with lowest cost.we own independent r&d center in jiangsu province and plants in shanxi province. all our manufacture bases and facilities are gmp approved. supported by our highly qualified team of professionals and technicians, we have rich experience in a wild range of chemical reactions from mg scale to metric tons of scale according to customers’ requirements.

sample service: support

test report service:support

our staff: consists of highly experienced pharmaceutical/chemical r&d veterans who gained experiences from top global life science companies and major contract research organizations as principal scientists and senior management members before joining credit asia.

after-sale service:we guarantee our quality.we make refund 100% immediately once our customers complain our quality with test report