Roberto Rafael Rivera Duron, a Mexican PhD scholar at the Unmanned System Research Institute of Northwest Polytechnical University (NPU), has sent a letter of thanks to the university for its donation of medical supplies.

The medical supplies donated by the Unmanned System Research Institute of NPU. [Photo provided to chinadaily.com.cn]
On March 28, the Unmanned System Research Institute received an e-mail from Roberto asking for help. At that time, the COVID-19 epidemic had waned in China, but in Mexico it continued to advance, the number of patients was surging, and medical protection supplies were extremely scarce.

The letter of thanks sent by Roberto. [Photo provided to chinadaily.com.cn]
The e-mail revealed that Roberto's sister is a specialist in critical care and that she was working in one of the hospitals looking after critical patients. The hospital lacked medical equipment (glasses, gloves, masks and suits) and she hoped someone would help.
After receiving the e-mail, the Unmanned System Research Institute urgently purchased a batch of protective clothing, glasses, medical gloves and N95 masks. The medical supplies were sent to Mexico by international express on March 31.
However, due to the epidemic, there were delays to international mail. Following negotiations by the staff members of the institute, Roberto finally received the materials on May 27.
He immediately sent the protective materials to the hospital and distributed them among the medical staff members.

Roberto's sister poses for a photo with the medical supplies. [Photo provided to chinadaily.com.cn]
Source: Xi'an China