Wintech Pharmachem Equipments Pvt. Ltd. Manufactures Rotary Bottle Washing Machines. Wintech Pharmachem Equipments Pvt. Ltd is an ISO 9000/9001/9004/19011: 2000 certified company. Rotary Bottle Washing Machines are suitable for washing of different sizes of glass or metal bottles from inside and outside. These bottle washing machines are completely GMP model with all contact parts in SS 304. It consists of a rotary platform with specially designed cups to accommodate any size of bottles from 50 ml. Bottles are washed internally and externally at four different stations. The unit is provided with gear box, motor.