Changzhou Huanyu Power Station Auxiliary Equipment Works Ltd. is a professional manufacturer of power station auxiliary equipment,power equipment and accessories.

We have complete process equipment,first-class technology,and a wide range of high and precious machines,including the test equipment of the valve actuator.We specialize in the research, development, production and sales of electric valve actuator,mainly including SMT series,HYSND series,CSY series,DZW/QAW series,ZB/QB series for explosion-proof,ZB/QB series for mining explosion-proof,AQ/AZ series valve electric actuator and so on.These products are widely applied in metallurgy, petroleum, chemical industry,light industry,municipal construction,sewage treatment and many other fields.

We have passed the 《GB/T 19001-2016/ISO9001：2015》 quality system certification.At the same time,we have achieved China mining products safety certification，mining explosion-proof certification（Ex db I Mb）， explosion-proof certification (Ex db ⅡC T4 Gb and Ex db ⅡB T4 Gb), China compulsory product certification and obtain many patents.