USD $99.00-99.00 / Kilogram
USD $1.00-10.00 / Kilogram
USD $1.00-10.00 / Kilogram
USD $1.00-10.00 / Kilogram
USD $1.00-10.00 / Kilogram
USD $8.20-8.80 / Kilogram
USD $8.20-8.80 / Kilogram
USD $4.50-5.00 / Liter
USD $1.00-10.00 / Kilogram
our factory covers an area of 37,000 square meters
we have passed: iso9001:2000; qs, kosher; halal and haccp, iso22000 quality system
our product quality has reached the us fcciv and usp, european pharmacopoeia and japanes ajinomoto standards
shijiazhuang haitian amino acid co., ltd.
year establishment: 2003
location: xing'an industrial zone in gaocheng district of hebei province, china
main products: l-hydroxyproline, l-methionine, dl-methionine, meropenem side chain, l-lysine hcl, glycine, l-arginine
l-tyrosine is the catalytic substrate of tyrosinase phenol enzyme function, it is principal raw material of optimal melanin and pheomelanin. it is the raw material of manufacturing diiodotyrosine and l-dopa.