This is Alan Shi from Shanghai Pinnxun Electric motor Co.,Ltd. we had got ISO9001-2008,CE, ATEX certification,Aiming at introducing electric motor with high quality and reasonable price. High voltage motors:Y,YKK,YKS,YRKK,YRKS. Low voltage motors:Y2,Y3. Explosion proof motor:YB2,YB3,YBF. By the way, high voltage motor and Explosion proof motor are our strong points. If any interest,please contact us and we are ready to service.