- 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
Jiangsu Goodroller Machinery Co., Ltd.
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
2026-10-12
How Flat Wire Rolling Mills Drive Improved Copper Wire Quality and Throughput
Drawing on 16 years of metal forming experience at Jiangsu Goodroller Machinery Co., Ltd. (GRM), this article examines how modern Flat Wire Rolling Mills — particularly modular Two-High and Four-High configurations — deliver measurable gains in copper flat wire quality and throughput.
2026-10-09
In which industries is the New Solar PV Round Wire Machine used
The New Solar PV Round Wire Machine is a new generation of continuous precision production equipment, specifically designed for producing MBB multi main grid and 0BB non main grid photovoltaic tin plated round copper wire. This round wire is an internal interconnect conductor for N-type high-efficiency battery modules, replacing traditional flat solder strips. It can reduce the shading area, minimize the risk of battery cracking, and improve the power generation of the module. With the large-scale industrialization of TOPCon, HJT, and BC batteries, the demand for photovoltaic round wire materials is rapidly increasing. This article introduces the downstream application industry of the new photovoltaic circular wire machine, helping wire factories, new energy material procurement, and equipment selection engineers evaluate the investment direction of production lines.
2026-09-30
How to control the tension fluctuation of wire during high-speed drawing process in High-Speed Precision Wire Drawing Machine
In the field of precision machining of metal wires, High-Speed Precision Wire Drawing Machine are the core equipment for the refined production of copper wires, aluminum wires, stainless steel micro wires, alloy wires and other products. With the continuous upgrading of downstream industries such as new energy, electronic communication, precision instruments, and automotive wiring harnesses' requirements for wire size accuracy, surface smoothness, and mechanical consistency, the high-speed, high-precision, and high stability of wire drawing production have become the core development trend of the industry.
2026-09-30
What aspects should be paid attention to in the daily maintenance of Solar PV Round Wire Machine
The Solar PV Round Wire Machine is the core precision equipment for producing high-purity copper round wires, which serve as the base material for solar PV ribbon. Stable machine operation directly determines the surface quality, dimensional accuracy, and production efficiency of photovoltaic copper wires. Regular and standardized daily maintenance can effectively reduce unexpected downtime, lower spare part replacement costs, and avoid defective products caused by equipment failure. This guide shares the key daily maintenance aspects of the PV round wire drawing machine for long-term stable mass production.
2026-10-15
What is the adjustment method for roll gap of Multi Stand Reducing Rolling Mill
The Multi Stand Reducing Rolling Mill is core finishing equipment for seamless steel pipe production. The roll gap directly determines single-stand reduction, outer diameter accuracy, wall thickness uniformity and surface quality of finished tubes. Different structural configurations adopt different roll gap adjustment mechanisms, mainly including eccentric sleeve synchronous adjustment, electric mechanical adjustment, hydraulic fine adjustment and manual adjustment. Operators can set parameters locally or remotely from the main control console. Some advanced models support online fine adjustment during stable rolling to stabilize pipe dimension precision.
2026-10-15
What are the material ranges that can be rolled by Multi Stand Reducing Rolling Mill
The Multi Stand Reducing Rolling Mill is key equipment in seamless steel pipe finishing lines. It continuously reduces the outer diameter of hot pierced or extruded hollow tubes through multiple rolling stands under controlled tension. One major advantage of this equipment lies in its flexible adaptability to different metallic materials. By adjusting rolling temperature, stand tension, pass design and roll material, the mill can process a wide spectrum of steel grades and alloy materials for different industrial pipe applications.
