Chinese manufacturer of active pharmaceutical ingredients Jilin Shulan Synthetic Pharmaceutical received an FDA warning letter in May 2018. It was criticised in particular that the Company did not record, investigate and solve laboratory OOS results. It was also criticised that the Audit Trails of the electronic laboratory instruments (HPLC, GC, IR) were not enabled. Find out more about the Jilin Shulan Synthetic Pharmaceutical Warning Letter.