Jiangsu Yanxin Technology Co., Ltd. has many years of experience in the production of nail head tubes and fin tubes. The products produced are stable and mature, with reliable quality, high welding rate between nail heads or fins and tubes, good heat transfer performance, and good contact Low thermal resistance, superior bonding strength and oxidation resistance at high temperature, and are deeply trusted by users in the industry. At the same time, our company pays attention to scientific and technological research and development, and has invention patents such as trapezoidal finned tube, streamlined nail head tube (utility model), high-frequency brazed finned tube, etc., which have been widely used in convection chamber furnace tubes in heating furnace projects all over the country. middle.

The company uses gas-hydraulic flash resistance welding, high-frequency induction heating, high-frequency welding and other process methods, through advanced automatic program control system, gas-liquid control system and other advanced processes, for the production of nail head tube, finned tube welding The rate reaches 98%, the reliability is strong, and it has the characteristics of long service life and no desoldering. At present, the materials of nail head tube and fin tube that our company can produce are: Cr5Mo20, Cr5Mo/1Cr18Ni9, 1Cr18Ni9, 20/Q235A, 20/Cr18Ni9 and other materials. At the same time, the height and shape of the nail head or fin are determined according to the user's needs.