Nanyang is a high-tech firm that combines scientific research, production and operation. The main products are: blast-proof air conditioners, blast-proof pressure cabinets, blast-proof electrical control cabinet huts, blast-proof electromagnetic starters, blast-proof surveillance systems, blast-proof soft starters, blast-proof electrical control cabinets, blast-proof alarm electrical appliances, blast-proof communications equipment, and more than 300 varieties in a dozen categories。