With over 70 years of experience and in-depth knowledge of hazardous area standards, Expo Technologies develops and delivers simple, powerful, certified solutions that improve safety and save customers time and costs.

We work with end users, integrators and OEMs across a variety of industries, including oil and gas, chemical and petrochemical, pharmaceutical and biotech, and power generation.

We are experts in purged and pressurized electrical protection and have been involved from the beginning and helped write the first standards. Our purge and pressurization systems protect more than 9,000 large electric motors and generators worldwide, and we have manufactured more than 2,000 pressurized enclosures for panel manufacturers and OEMs.

Our products are certified and approved according to national and international standards (IECEx, ATEX, cULus, cFMus, INMETRO, KOSHA, EAC). We have manufacturing centers in the UK, US and China, and are supported by sales and service through a global network of authorized channel partners.

British Expo is the world's top supplier of purge pressure purging systems. It has a history of nearly 70 years and a strong technical and production foundation. Shanghai Comer Mechanical and Electrical Equipment Co., Ltd. is the Greater China office of British Expo, responsible for China and surrounding countries. Technical service, sales and after-sales service of purge pressure explosion-proof control systems and supporting safety equipment.

Expo leads the global purge pressure 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.