Shanghai Ronjee Machinery Co.,Ltd.
Transmission Solution Professional Provider
Custom & Reverse Engineering for All Industrial Transmission Scenarios
We are a professional manufacturer specializing in custom gears, custom gear shafts and gear reverse engineering. We can develop products according to your drawings, technical parameters or physical samples.
Boasting decades of experience in mechanical transmission, we supply complete supporting components for gearboxes, reducers and industrial drive shafts, serving a wide range of sectors: Automotive, Mining, Agriculture, Marine, Construction, Aviation, Automation, Robotics, Oil & Gas, Cement, Metallurgy, Food & Beverage and other heavy industries.
Supported by a complete high-standard manufacturing supply chain, we combine process R&D, custom solution design, standardized production management and full-range quality testing to deliver one-stop services, including non-standard gear customization and precision gear shaft CNC machining.
We adopt strict technical specifications to fully control dimensional accuracy and material hardness. All our CNC gears, custom spline shafts and high-compatibility reducer gear parts are available for mass production, delivering stable, reliable transmission parts to global customers worldwide.
Global Precision Drive Solutions
Our Vision
To grow into a world-class and reputable supplier of customized gears, shafts, gearboxes and reverse engineering services. We deliver stable quality and reliable drive solutions to serve global clients covering power machinery, mining, new energy, automotive, marine, aviation and automated industries.
Our Mission
We focus on high-standard manufacturing, strict quality inspection and technical innovation. We provide tailor-made gears, shaft parts, complete gear reducers and efficient reverse development services, helping global customers tackle diverse drive challenges, enhance equipment performance and achieve sustainable business development.
Our Values
Excellence in Precision, Strict Quality Assurance, Customer Centricity, Open Cooperation, Sustainable Innovation
Our Advantages
Technical Support
Professional engineering team provides reverse engineering, custom gears & gear shafts, and optimized transmission solutions for gearboxes and reducers based on your drawings, parameters or samples.
Strict Supply Chain & Process Control
We select qualified premium gear manufacturers with unified process and quality standards. We monitor the whole production process and control quality in advance, not a simple trading middleman.
Full Quality Control
Complete inspection system covers raw material, heat treatment, machining and final dimension & hardness test. Inspection and material reports are available to ensure long heavy-duty service life.
Flexible Customization
We support sample reverse development, small batch trial and mass production. Various non-standard, large-module and special gear shafts are available for customized orders.
One-Stop Export Service
We provide professional English technical documents, full set of customs papers and customized packaging. One-stop service from solution confirmation, order follow-up, inspection to shipment.
Quality control system
We implement a full-process quality control system for gears. Strict inspection covers raw material selection, process review, production monitoring, precision dimension, hardness and geometric tolerance testing.
All custom gears, gear shafts and worm gears follow unified standards. Complete test and material reports are available to ensure stable precision and durability for gearbox ， reducer and all kinds of mechanical transmission applications.
Customized service capabilities
Custom Gear & Shaft Service We support drawing customization and sample reverse engineering for non-standard gears and shafts.Features: high precision，low noise, , stable operation, wear resistance, long service life and high reliability.
Customized solution for special working conditions, strict quality control and fast delivery. Available for prototype trial and mass production, leading industry position in precision craftsmanship and overall quality.
Market And Export Experience
We are a professional manufacturer of precision gears and shafts, with rich global export experience.
We specialize in custom design, drawing production and sample reverse engineering, adhering to international quality standards.
We deliver stable quality, competitive pricing and on-time delivery, committed to being your reliable long-term cooperative partner.
