We, Hangzhou Xinglong Pump Co., Ltd, offers spare parts for all kinds of screw pump. So far we have made spindles of triple screw pumps (rotor sets) for customers in Iran, UK, India, Malaysia, etc.
We design three screw pumps and also offer rotor sets which are interchangeable with Allweiler's. Besides, as long as you offer us drawings or samples, we can process them accordingly.