Ningbo Jiayin Electro Mechanical Technology Co.,Ltd. is one of the High and New Techno-logy Enterprises in Zhejiang ,China .It is professional engaged in the design, development and manufacturing ...... Welcome to visit our products. If you want to view the details about the products, please click the picture . Electromagnetic valves ,solenoid pumps ,pressure switches etc,have already passed the certification of VDE TUV  CE. Copyright2008@NINBO JIAYIN ELECTRO MECHANICAL TECHOLOGY CO.,LTD.All Rights Reserved