1. The bottle washer is double-end type, with bottle infeed and discharge at each end. Bottle discharge section can be enclosed inside the filling room, which can realize dirty and clean in separate end, to reduce pollution on cleaned bottles. 2. Main drive adopts SEW product modulated with frequency conversion. Multiple safe overload protection devices are equipment to ensure production safe and reliable. 3. For high speed bottle washer, four, five or six caustic soaking compartments with sufficient caustic soaking time. Multiple label extractors, and multi-rotary (or reciprocating) sprinklings ensure washed bottles in accordance with sanitary standard. Smooth bottle infeed and discharge by means of proper design. 4. Bottle carries are welded and very firm, and steel pockets with plastic inserts for protection of mouth and centering of bottle (Optional: full plastic Pockets). The caustic solution concertration is able to pre-set in each compartment as per customer requirement, and auto caustic dosing system is equipped.