Shanghai comer is a national high-tech enterprise specializing in equipment for hazardous areas. It is principally engaged in the R&D, manufacturing, integration, retrofitting, and professional services of electromechanical equipment used in hazardous environments. Over the 19 years since its establishment, the company has provided a wide range of critical explosion-proof equipment to nearly a thousand enterprises.

Particularly in the field of pressurization explosion protection, Shanghai comer has exceptional technical capabilities. Its products and technologies are widely applied in explosion-proof motors, electrical control cabinets, analytical instruments, compressor nitrogen padding, pressurized rooms, explosion-proof robots, fire trucks, and other applications.

The company has a dedicated team of professional technical engaged in product development and application, explosion-proof electrical retrofitting, product certification services, professional consulting, and training.

British Expo is the world's famous supplier of purge & pressurization systems. It has a history of nearly 70 years and a strong technical and production foundation. Shanghai comer is the Greater China office of British Expo, responsible for China and surrounding countries. Technical service, sales and after-sales service of purge & pressurization  explosion-proof control systems and supporting safety equipment.

Expo is a major  player in the global of purge & pressurization control and purge system market. Based on our professional safety and explosion-proof technology, we are committed to improving the application capabilities of our customers' electrical equipment in hazardous and extreme environments. Whether providing a standardized product across a broad range of explosion protection areas or developing innovative solutions to address special challenges, Expo can apply its engineering and R&D capabilities to meet the needs of its customers.