Baoding Longer Precision Pump Co., Ltd, founded in 1997, invested by USA, has been contributing itself to R&D and manufacture of precison pumps. And it has been accepted by the customers for its high quality products and first class services. Longer is the biggest manufacture of peristaltic pump in China. Longer products have been in the lead on the chinese market and have been used widely in the areas of pharmaceutical industry, fine chemical industry, enviromental protection, biochemical industry, etc.