[Jianyou shares: rocuronium injection obtains US FDA Drug Registration approval]-- according to the announcement of Jianyou shares, rocuronium injection, a subsidiary of Hong Kong Jianyou, has obtained the US FDA drug registration approval. Rocuronium injection is used as an aid to general anesthesia to facilitate rapid sequential and routine endotracheal intubation and to provide skeletal muscle relaxation during surgery or mechanical ventilation.