Professional Custom Lamp Holder Accessories Manufacturer

New porcelain lamp holders including the metal sleeve, the insulator, the conductive cap, and the conductive wire, the insulator including the cards connected to each other a first plastic member and a second plastic member, the metal jacket shell includes a shell body, positioning an end wall extending inwardly by the shell body, anda through hole surrounded by the end wall of the positioning, the positioning end wall fixed card connected to between a first plastic member and a second plastic member, and the second plastics member is located within the shell body, and the conductive cap is fixed to the top of the first plastic part,electrically connected to the conductive wire on the conductive cap and the holes along the feed line of the first plastic part extends into the body shell, the first plastic part having a positioning lug which passes through the through hole of the metal casing is inserted into the body shell, the positioningthe convex outer edge of the column end outwardly projecting undercut portion; the hollow through hole having a placement for the positioning lug and said second plastic member has an annular projection projecting in the wall of the hollow through hole, the annular projectionstation and said undercut portion card holding structure is formed, The lamp holder structure is simple, easy to assemble, low cost and because the environmental.