Ningbo P&D Machine Manufacturer Co., Ltd .(hereinafter called �P&D Machine�, P stands for precision and D stands for development) is located in the beautiful port city-Ningbo, China, who has been the golden manufacturer and suppplier of machinery and electric equipment for the heat exchange (condenser and evaporator) industry worldwide from the year of 2008. Under the enterprise spirit of �more faith, more improving, continuous innovation and keeping pace with the times� and operation principle of �P&D Machine, make the heat exchanger production more efficient and more relax�, P&D Machine has produced and owned the technology of vertical expander, horizontal expander, portable expander, tube cutoff machine, hairpin bender, return bender, return bender cleaning machine, ring sizing machine, coil bending machine, CNC tube universial bender and automatic welding machine, as well as their spare parts, which can satisfy different customers with kinds purchasing requirements for machine and spare parts. P& D Machine could not only manufacture and supply above top quality products, but also provide the excellent after sales service. In future, P& D Machine continuously strive for improvement to ISO 9001-2000 rated facilities, machining equipment, personal and business relationships, as well as engineering advancements to the machinery. P&D Machine is your first choice in heat exchanger production machinery and equipment.