Make 3 Inch to 6 Inch Air Adaptor for Air Expanding Shaft

**FAQ:** 1. **Q:** Are you a factory or trading company? **A:** We are a factory established in 2011. 2. **Q:** What is the payment term? **A:** T/T. Usually, 30% deposit in advance, and the balance before delivery. 3. **Q:** Which port will be used for loading? **A:** Shanghai Port. 4. **Q:** What is the delivery time? **A:** About 10 working days after confirming the drawing. Photos of the production status can also be provided upon request. **Note:** The air pressure used for our air shaft should be between 0.4–0.5 MPa. Our factory is capable of designing and manufacturing non-standard products based on customer requirements. Please feel free to contact us anytime. **Tel:** 400-822-0519 Changzhou Rongjiu Machinery Co., Ltd. was founded in 2011 and now operates under two brands: Rongjiu and AOKs. The company specializes in the design, manufacturing, and marketing of various types of air expanding shafts, including chain-type, tile-type, and key-type models, as well as safety stirrups for air expansion sets. After years of development, the company has grown to occupy over 3,000 square meters of production space, equipped with imported processing centers, CNC lathes, cylindrical grinders, and advanced manufacturing equipment. This has enabled the company to become a leader in the industry, with an annual output value reaching nearly 10 million. We continuously strive to improve the internal structure and manufacturing process of our products, making them more durable, reliable, and stable. Currently, we are focused on brand building and promotion, aiming to provide customers with high-quality products that meet their personalized needs. We promise to deliver first-class quality and efficient, professional service to maintain the vitality of our company. We uphold a human-oriented principle and believe that success comes from hard work. It is our great hope to satisfy all our customers, achieve win-win cooperation, and work together with people from all walks of life to create a better future. If you are an engineer or have technical knowledge, I hope the following information helps you understand our product better. Dear everyone, this is Seven Lu. I’m here to introduce the details of the air shaft below: An air shaft is a specialized shaft used for winding and unwinding. It is designed with keys on its surface that expand when high-pressure gas is introduced into the shaft. Users simply inflate the shaft through the air valve, and when they want to lock the web, they push the core of the air valve to release the air. The keys then return to their original shape, allowing the web to be easily removed. Air shafts are widely used in winding, rewinding, and slitting machines. They are commonly applied in industries such as printing, packaging, plastics, paper, glass, pharmaceuticals, electronics, batteries, and textiles.

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