- Jiangsu Goodroller Machinery Co., Ltd. (GRM) was founded in 2008 and restructured in 2015.
- 16+ years of expertise in metal forming.
- Leading manufacturer of intelligent precision rolling mills and PV ribbon equipment.
Global Rolling Machinery (GRM)
Customers
Closer To You
SINCE 2008
It has been deeply engaged in the field of metal forming for 16 years, and has now become a leading manufacturer of intelligent precision rolling mill and photovoltaic welding belt equipment in China
TALENT STRUCTURE
As of 2025, the Company employs 60 professionals, with R&D personnel accounting for over 30% of the workforce.
INNOVATION MILESTONES
Holds 50+ patents, fills the national gap "polygon wire automatic feeding device", breakthrough "bus strip calendering equipment" technology.
Advantages
- One-stop solution for metal forming processing
- Process + equipment
- Free program upgrade
- 24-hour response for after-sales service
- One-year warranty, lifetime maintenance service
- The development of multiple research results
Application
Aerospace
Automotive
Medical
Renewable Energy
R&D
Military
About Us
Jiangsu Goodroller Machinery Co., Ltd. (GRM) traces its origins to Zhangjiagang Hongxinyuan Technology CO., Ltd., founded in 2008. After a strategic restructuring in 2015, the company has accumulated 16 years of expertise in metal forming technology and has grown into a leading domestic manufacturer of intelligent precision rolling mills and photovoltaic (PV) ribbon equipment.
Learn More
GRM, a leading China rolling mill manufacturer with 16+ years of expertise, offers CE-certified flat wire, strip, and reduction rolling mills. Get factory-direct pricing and free prototype testing for solar PV ribbon & aerospace alloys.
Featured Products
News
2026-11-04
What Factors Limit the Rolling Speed of Multi Stand Reducing Rolling Mill
Many tube line operators hope to run Multi Stand Reducing Rolling Mill at higher speed to boost hourly output. But in actual production, rolling speed cannot be raised arbitrarily. Pushing speed too aggressively often leads to uneven wall thickness, surface scratches, tube breakage and motor overload. As a continuous rolling system with coordinated stands, its maximum speed is restricted by raw material characteristics, mechanical configuration, tension control, cooling capacity, downstream equipment and online inspection systems.
2026-11-04
Why Straighten Feedstock Before Rolling on Multi Stand Reducing Rolling Mill
Workshops producing precision tubes and bars know well that multi-stand reducing mills run on continuous tension or tension-free rolling. The Multi Stand Reducing Rolling Mill must be well aligned. If incoming stock is bent, even with a slight curve, feeding it directly into the mill will trigger a chain of quality defects and equipment damage.
2026-11-02
How Can Wire Reducing Mills Improve Dimensional Accuracy?
Wire reducing mills improve dimensional accuracy through controlled roll gaps, multi-stand reduction, and stable material feeding. This article explains the key process factors affecting wire diameter consistency, surface quality, and production stability, along with practical considerations for selecting a wire rolling solution.
2026-11-02
What Factors Matter When Choosing a Profile Wire Rolling Mill?
Choosing the right profile wire rolling mills requires more than checking machine capacity. Roll configuration, cross-section accuracy, production flexibility, and equipment rigidity all affect the final result. At GRM Rolling Mill, we use universal four-roll technology and axially adjustable rolls to help manufacturers produce rectangular, square, flat, and custom-shaped metal profiles with consistent dimensions and fewer roll changes.
2026-10-26
What are the key points of daily maintenance for the roller bearings of Two High Rolling Machine
Roll bearings are core load-bearing parts of Two High Rolling Machine. They work under heavy load and impact load, and are exposed to contaminants such as rolling emulsion, cooling water and metal dust. Bearing failure may lead to roll seizure, roll neck damage and unexpected shutdown. Standard daily maintenance focuses on lubrication, sealing protection, condition monitoring, roll change inspection and clearance control.
2026-10-20
How to allocate the extension coefficients of each slot of Single Stand Multi-Groove Reducing Rolling Mill reasonably
All grooves of a Single Stand Multi-Groove Reducing Rolling Mill share the same roll set, stand and main drive. Multiple tubes are rolled simultaneously. Unlike multi-stand continuous sizing mills, it has no independent stand speed adjustment to compensate flow difference between grooves. Therefore, the core principle of elongation distribution is to keep consistent metal flow rate for every groove. Unbalanced elongation distribution will lead to tube breakage, pile-up, scratching and dimensional out of tolerance.
