Sterile production refers to the method used to commercially sterilize products, filling and sealing them into sterile containers under sterile conditions. To realize sterile production, it is necessary to ensure the sterility of the production environment，protection of the place where the sterile products are exposed; management of sterile filters; management of sterile production equipment; and management of sterile operations. Tofflon can provide a sterile process turnkey including design, manufacturing, installation, commissioning, personnel training, process optimization, etc. Main sterile process equipment includes aluminum barrel washer, CIP/SIP system, isolation technology, of which the aluminum barrel washer contains three parts: loading system, main machine, and unloading system, which has a simple design structure, short transferring time, and easy maintenance, and it can realize the cleaning with no dead corners. API provides CIP/SIP pipeline valve design, valve installation; cleaning and sterilization validation service; with self-control design capabilities. In the core operation area of sterile API, dispensing and capping area, generally in class B production plant, through RABS to provide protection for sterile production.