Xi'an Yuanqi Elevator Parts Co., Ltd. is a leading manufacturer, supplier, and factory of high-quality escalator step chains with a pitch of 135.7mm. These step chains are designed and manufactured in China using advanced manufacturing technologies and quality materials, ensuring reliability and durability. Our escalator step chains have been tested and proven to meet the highest standards in safety, performance, and longevity. They are suitable for use in various types of escalators and elevators, and can withstand heavy loads and frequent use. At Xi'an Yuanqi Elevator Parts Co., Ltd., we understand the importance of providing safe and reliable products to our customers, and we are committed to exceeding their expectations. We take pride in our exceptional customer service, and we work closely with our clients to ensure that all their needs are met. If you are looking for a trusted supplier of high-quality escalator step chains with a pitch of 135.7mm, contact us today or visit our website to learn more about our products and services. We look forward to serving you and becoming your preferred partner for elevator and escalator parts.