They used for malcing tubes of condenser or vapourizer of refrigeration, for waterfeeder, for capilliary tube in meters and oil-conducting pipe union for mechanical equipment.

• 该产品广泛应用于机械、电气仪表、汽车、轻工、化学工业等部门，作为制冷设备的冷凝器，蒸发器管，供水热水管，仪表毛细管及机械设备联结油管等部件。