After China's State Post Bureau today launched an investigation into production safety hazards, J&T Express replied that it takes the matter seriously and is fully cooperating with the relevant authorities. The Chinese unit of the Indonesian logistics firm has established a dedicated task force to conduct a comprehensive safety hazard review and remediation initiative. Its shares [HKG:1519] plunged over 6% as of 2.14 p.m., after dropping by more than 10% in the morning trading session.