Duobaoli tools factory is a professional production and processing factories micro extrusion Taps, micro tip tap, the micro screw tap, tap company focus on the production of less than 6MM below. A power tool factory has screw tap international advanced processing equipment, advanced detection equipment, senior engineer and a group of high-quality personnel. Selection of imported powder high-speed steel, through a small multi tap production of special process with high quality, high degree of finish, high precision, high wear resistance etc.. With the international well-known manufacturers of comparable products. Products applicable to the processing of stainless steel, aluminum alloy, copper, copper alloy, titanium alloy, and other materials. A power tool factory integrity, strength and quality of products recognized by the industry. And look forward to your sincere cooperation.