Ningbo Okail Electric Co.,Ltd. has been producing highest quality EMT,IMC,RSC Conduit and Conduit fittings as well as conduit bodys and EMT elbows and RIGID elbows,Rigid Couplings and Nipples which used in electrical installations, which are being marketed in U.S.A. and Canada, enjoying the confidence of overseas users. Ningbo Okail Electric Co., Ltd i