About us

Who We Are

Located in the base of China explosion proof electric technology & production & experiment base – Nanyang City, ZTZN is one of the “national high-tech enterprises” integrating the research and development, manufacturing and selling of the explosion proof electrical appliance and the technique consulting service etc. It honored to be one of approved “national small & medium sized scientific & technical enterprises”, “Henan scientific & technical mini-giant enterprises” and listed in the top 100 Nanyang technical innovation enterprises. ZTZN’s main business involves in both explosion proof industry and thermal energy field.

Also ZTZN is an approved “Henan intelligent explosion proof equipment and engineering technique research center” and “Nanyang oil & chemistry explosion proof equipment & engineering technique research center” in China.

As one of leading manufacturers and suppliers of explosion-proof electrical equipment in China, ZTZN’s products range from explosion proof HVAC, ex-proof electrical box, explosion safe analysis chamber, explosion protected communication and monitoring products, anti-explosion lighting fixture, and ex installation equipment etc., totally up to 100 series, more than 1000 models. ZTZN highly values the technical innovation and the cooperation with the colleges and universities. Over the years, dozens of patents have been granted to ZTZN, which have helped ZTZN win the national, provincial and city technique progressive awards for years in a row. The intelligent explosion proof electrical equipment developed and manufactured by ZTZN marked the beginning of intelligence of the ex-proof electrical products in China domestic market, which make it real to actively pre-alarm and prevent explosion through the internet of things and AI technology.


With high-quality products to meet customers, with international level as the driving force for sustainable operation, all-round efforts to practice, to create products and brands representing China in the explosion-proof industry.

Mr. Cai


ZTZN Has been certified to the ISO9001 quality management system, ISO14001 environmental management system, OHSAS18001 occupational health & safety management system and compliant with the requirements.

On the other hand, our explosion proof air conditioners, ex-proof electrical cabinets, explosion safe cameras and other explosion protection products have been certified by Atex, IECEx and EAC. Many other anti-explosion products are on the way to be verified by the international standards.

View our qualification certificate

Latest Projects

After years of persistent effort, our explosion proof products have been sold to over 20 provinces across China, and has been applied to fields like, oil & gas, Chemistry, Coal, Military. We have benefited from what we do not only in economy but also in social impact, and at the same time, we have earned the praise and trust from a great number of clients.

See more customer stories

Interested in our products or need advice?

If you have any further questions or queries please do not hesitate to get in touch.