Shenzhen's shenzhen research technology ltd., based in the south china region, is a testing certification body dedicated to blast-proofing certification and coal-safety certification, which covers domestic and international blast-proofing certification, coal-an-mine certification, blast-proofing construction and anti-explosive modification, explosive-quality certification agents, blast-proofing systems training, etc., and provides a one-stop service to clients from blast-proofing design, detection, certification, on-site inspection, engineering renovation, training, etc。