Shanghai Yidi Precision Machinery Co., Ltd. is a factory that produces new types of mechanical basic components. The main products include: Expansion sleeves (expansion sleeves, expansion sleeves, expansion sleeves, expansion joint sleeves, expansion joint sleeves, expansion joint sleeves, tightening sleeves), retraction sleeves, universal joints (universal joints, cross universal joints, single joint universal joints, double joint universal joints, precision small universal joints, precision expandable universal joints, etc. ), chains (industrial chains, agricultural machinery chains: Rice harvester chains, Yangma harvester chains, Kubota harvester chains, corn harvester chains, peanut harvester chains, etc. ), and undertake customized non-standard parts.

Our website platform provides a detailed introduction to the functions, model selection methods, working principles, maintenance methods, product types, and application scenarios of products such as expansion sleeves, universal joints, and chains. It helps you understand the working principles, applicable scenarios, product structure, working methods, and selection of suitable expansion sleeves, universal joints, and chain types of expansion sleeves, universal joints, and chains. We also provide recommendations for expansion sleeves, universal joints, and chains, as well as maintenance and usage skills and their wide applications in various industries.

Our product (expansion sleeve) has the same structure, external dimensions, and installation method as similar foreign products. Technical instructions and performance can meet the usage requirements of foreign machines, and are also essential basic accessories for domestic substitution of imported parts. The factory covers an area of over 6000 square meters and has three standard workshops. The office building has two floors (22 office areas) with beautiful environment and comfortable working conditions.

Our company has multiple precision centerless grinders, surface grinders, precision lathes, planers, drilling and milling machines, punching machines and other precision machining equipment. We also have our own heat treatment technology and equipment, such as hanging furnaces, converters, box furnaces, high-frequency heat treatment, etc., to meet the different requirements of customers. Technical parameters are determined according to user requirements.

Our company's advantage lies in the strong team that integrates raw materials, design, development, production, sales, and service. To express our gratitude to our customers for their continued support and kindness, Yidi people will work closely with them to seek common development with superior product quality and service!