Nanyang Yitong is a supplier for Explosive atmosphere Zone 1, Zone 2,Combustible dust Zone 21 ,Zone 22 since 2002..in petroleum exploitation ,refinery, chemistry, medicine, textile, painting, military and military facilities etc. 

Have passed  ISO9001,ISO14001,OHSAS18001,QS  and obtained EU standard certificate as ATEX,IEC Ex,EAC Ex,KCs,CNEX,CCS( explosion proof electric products for Marine/offshore environment),China MA.

Currenly, Nanyang Yitong are the licenced vendor of China National Offshore Oil Corporation(COOC),China National Petroleum Corporation(CNPC),China Oilfield Services Limited(COSL),Altrad Group(France),Hyundai Engineering Co., Ltd(Korea),etc.and we have exported many of explosion proof air conditioner in Asia,Northeast Asia. Middle East and Australia.with our partners in UAE,Egypt,Russia...