Qingdao henley co., ltd.

Henley is specialized in the development and manufacture of apis and intermediates. the products list include pyrrolidine, n-methypyrrolidine, ferulic acid, sodium ferulate, phthalimide and phthalimide potassium salt. equipped with experienced technicians, advanced facility, a strict qc/qa system and i/e license. henley will continue to improve its quality system based on iso9001:2000 to hit quality targets and achieve sustainable development.