1,Name:control board for electric pressure cooker 2,Having 27 years experience ... .CE,TUV,UL,RoHS,CQC 1,Name:control board for electric pressure cooker2.It control by programme3,Hangzhou Tianma Timer Factory was ... out ISO9001 quality system, we have received UL, TUV, ITS, CCC, CQC and RoHS approvals for our products. control board for electric ...