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SMS group to transform previously owned cold rolling mill for Winjoy into a sustainable copper strip solution
Mönchengladbach, 17.06.2026 (PresseBox) - .
Second-hand six-high Demag mill to be upgraded to a cutting-edge 1250-millimeter six-high CVC® plus copper rolling mill in China
Focus of the project is on the mechanical and electrical equipment packages
Modernization will build on existing collaboration beginning in 2025 to strengthen Winjoy?s global competitiveness
Zhejiang Winjoy New Material Co., Ltd., a private enterprise established in 2017, has awarded SMS group the contract for the comprehensive modernization of a pre-owned six-high reversing Demag cold rolling mill. Under this agreement, SMS group will supply a complete package of modernized mechanical and electrical equipment, engineered to transform the mill into a state-of-the-art 1250-millimeter wide six-high CVC® plus (continuously variable crown) breakdown copper strip mill. The mill will be modernized in Hangzhou Bay Economic Development Zone, which is located in Shaoxing City in China.
SMS group has already transformed the plant ? originally commissioned in 1988 primarily for tin plate production ? into a high-performance copper rolling solution. With an annual capacity of around 100,000 tons, the modernized mill enables the processing of copper alloy strip with a maximum entry thickness of 20 millimeters, a minimum exit thickness of 0.5 millimeters, and a width range of 1150 to 600 millimeters, expanding Winjoy?s production capabilities and product flexibility. This modernization project is not merely an equipment upgrade but a demonstration of SMS group?s engineering excellence and commitment to sustainability. The upgraded six-high mill will feature the advanced CVC® plus flatness control system and high-efficiency cooling strategies specifically designed for rolling oil, enabling the production of premium-quality copper and copper alloy strip. The new mill will significantly expand Winjoy?s product portfolio and production flexibility, particularly for wider copper strip, which is increasingly in demand across industries such as the electronics, new energy vehicle, and high-end manufacturing sectors.
Winjoy is investing in the modernization of its facility by SMS group as part of a lifecycle partnership. In June 2025, SMS group received two orders from Winjoy for two 650-millimeter six-high CVC® finishing mills. Those orders marked the beginning of a strong and growing collaboration between the two companies. The signing of this new order marks the start of a deeper, more sustained phase of cooperation.
?SMS group?s technical expertise and equipment capabilities are widely recognized, and we look forward to continuing to deepen our future cooperation based on mutual trust and mutual benefit. We are confident that, with the support of SMS group, Winjoy will achieve even greater success,? says Winjoy?s Chairman Wang Jianli.
Peter Langner, CEO of SMS group China, underscores this by adding ?Today?s signing is more than a contract. It is the beginning of a long-term strategic partnership in copper rolling technology. With two finishing mills already in order, and now this major upgrade project, Winjoy and SMS are jointly building one of the most advanced copper strip production lines in China.?
The modernization of the 1250-millimeter wide six-high CVC® breakdown copper strip mill exemplifies SMS group?s commitment to delivering innovative and sustainable solutions. By upgrading pre-owned equipment with cutting-edge technology, SMS group not only enhances production efficiency and product quality but also supports its customers in achieving their strategic goals. This project demonstrates SMS group?s expertise in copper rolling technology and the ability to modernize second-hand equipment to top-tier performance standards ? providing a sustainable and cost-effective solution for customers.
Second-hand six-high Demag mill to be upgraded to a cutting-edge 1250-millimeter six-high CVC® plus copper rolling mill in China
Focus of the project is on the mechanical and electrical equipment packages
Modernization will build on existing collaboration beginning in 2025 to strengthen Winjoy?s global competitiveness
Zhejiang Winjoy New Material Co., Ltd., a private enterprise established in 2017, has awarded SMS group the contract for the comprehensive modernization of a pre-owned six-high reversing Demag cold rolling mill. Under this agreement, SMS group will supply a complete package of modernized mechanical and electrical equipment, engineered to transform the mill into a state-of-the-art 1250-millimeter wide six-high CVC® plus (continuously variable crown) breakdown copper strip mill. The mill will be modernized in Hangzhou Bay Economic Development Zone, which is located in Shaoxing City in China.
SMS group has already transformed the plant ? originally commissioned in 1988 primarily for tin plate production ? into a high-performance copper rolling solution. With an annual capacity of around 100,000 tons, the modernized mill enables the processing of copper alloy strip with a maximum entry thickness of 20 millimeters, a minimum exit thickness of 0.5 millimeters, and a width range of 1150 to 600 millimeters, expanding Winjoy?s production capabilities and product flexibility. This modernization project is not merely an equipment upgrade but a demonstration of SMS group?s engineering excellence and commitment to sustainability. The upgraded six-high mill will feature the advanced CVC® plus flatness control system and high-efficiency cooling strategies specifically designed for rolling oil, enabling the production of premium-quality copper and copper alloy strip. The new mill will significantly expand Winjoy?s product portfolio and production flexibility, particularly for wider copper strip, which is increasingly in demand across industries such as the electronics, new energy vehicle, and high-end manufacturing sectors.
Winjoy is investing in the modernization of its facility by SMS group as part of a lifecycle partnership. In June 2025, SMS group received two orders from Winjoy for two 650-millimeter six-high CVC® finishing mills. Those orders marked the beginning of a strong and growing collaboration between the two companies. The signing of this new order marks the start of a deeper, more sustained phase of cooperation.
?SMS group?s technical expertise and equipment capabilities are widely recognized, and we look forward to continuing to deepen our future cooperation based on mutual trust and mutual benefit. We are confident that, with the support of SMS group, Winjoy will achieve even greater success,? says Winjoy?s Chairman Wang Jianli.
Peter Langner, CEO of SMS group China, underscores this by adding ?Today?s signing is more than a contract. It is the beginning of a long-term strategic partnership in copper rolling technology. With two finishing mills already in order, and now this major upgrade project, Winjoy and SMS are jointly building one of the most advanced copper strip production lines in China.?
The modernization of the 1250-millimeter wide six-high CVC® breakdown copper strip mill exemplifies SMS group?s commitment to delivering innovative and sustainable solutions. By upgrading pre-owned equipment with cutting-edge technology, SMS group not only enhances production efficiency and product quality but also supports its customers in achieving their strategic goals. This project demonstrates SMS group?s expertise in copper rolling technology and the ability to modernize second-hand equipment to top-tier performance standards ? providing a sustainable and cost-effective solution for customers.
Über "SMS group GmbH":
SMS group is renowned worldwide for its future-oriented technologies and outstanding service for the metals industry. The company applies its 150 years of experience and its digital know-how to provide the industry continuously with innovative products and processes – even beyond its core business – and generates worldwide sales of around 3.6 billion euros. SMS is the right partner for challenging projects and supports its customers throughout the lifecycle of their plants, enabling profitable and resource-efficient value creation chains. Paving the way for a carbon-neutral and sustainable metals industry is the company’s stated goal. As a global player with German roots, SMS takes responsibility for more than 13,000 employees.