Guangdong Jiesheng Electric Technology Co,.Ltd, Our company is a professional manufacturer,which is specialized in production of frequency converter,PLC,servo motor,stepping sensor, etc. Do you have any interests in frequency converter?if you have any demand for frequency converter,would you mind telling us your special requirements?And we will give you a competitive price. Hope we can cooperate in the near future. Please don't hesitate to contact us if you have any doubts.