Two-way reciprocating pump is a newly developed patent products (Patent No.: ZL 200920192257.6). The product is widely used to change the current general one-way pneumatic pump structure. Compared with one-way pneumatic pump, the product has inflated a short time, effort, small, portable, inflatable two-way advantages. The product is widely used in basketball, soccer, volleyball and other sports inflatable balls; neck collar, lumbar fixation callosum, inflatable hemostatic bandages and other medical equipment inflatable; life buoy, inflatable boats, air beds and other travel supplies inflation and the bike, mountain tires inflated. The product"s built-in one-way valve on the pneumatic valve and over-voltage protection equipment to do over-voltage protection. Is a unique institution of similar products in the design. Overcome the traditional one-way pneumatic pump only one-way, pressure can not control, inflatable excessive force and other defects. Is currently the most advanced pneumatic tools. The color variety, complete specifications. Also designed according to customer requirements and manufacturing.