- 28/07/2025
- Valmet Automation
Valmet will supply core technology for Shandong Sun Paper’s Yandian pulp mill in China
The order includes a cooking and fiber line, a recovery boiler, an ash crystallization system, and analysis and measurement equipment for the fiber line. In addition, it covers optimization solutions and related safety systems for the recovery boiler. The new mill is expected to produce 600,000 tons of pulp annually and start up in the fourth quarter of 2026.
This order is among those received by Valmet in the second quarter of 2025. The value of the agreement has not been disclosed.
Mr. Zehua Liu, CEO of Sun Paper, shared: “Valmet has become a reliable partner for our recent chemical pulp production lines. The technology they previously supplied to the Beihai mill has proven highly stable in operation and efficient in raw material use. The Valmet team has also consistently supported us in achieving our goals and ensuring project success. This is the third cooking and fiber line and the second recovery boiler we have ordered from Valmet since 2020. We are very confident in another successful project with them.”
Mr. Sami Riekkola, Executive Vice President, Pulp, Energy and Circularity Business Line at Valmet, said: “Sun Paper has trusted our cooking, fiber line, and recovery boiler solutions for several recent pulp projects. We have worked together to develop concepts that precisely meet customer needs. Thanks to our strong reputation in China, advanced technology, and competitive service solutions, we are fully confident in successfully delivering this project, despite the very tight schedule.”
Mr. Xiangdong Zhu, Vice President, China Area at Valmet, stated: “We are delighted to continue our excellent cooperation with Sun Paper in this strategic investment. In addition to supplying paper, pulp, and automation technologies, we also collaborate with customers in services. In this project, Valmet’s team in China will play a key role in engineering, procurement strategy, project management, and on-site services for Sun Paper.”
Valmet will supply core technology for Shandong Sun Paper’s Yandian pulp mill in China.
Technical Information about the Order
The cooking and fiber line is equipped with state-of-the-art technology, integrating the latest advancements in Valmet Continuous Cooking, delivering superior efficiency in energy and raw material usage. The final product achieves high quality, minimizes wastewater flow, and enhances environmental performance thanks to the application of the latest generation Valmet TwinRoll press washer, as well as Valmet’s advanced screening, oxygen delignification, and bleaching technologies. The order also includes the Valmet Fiberline Analyzer and measurement equipment for fiberline process control. The entire line has a capacity of 600,000 tons per year.
The recovery area order includes a Valmet Recovery Boiler and an Ash Crystallization system. The high-capacity recovery boiler, designed for 3,500 tons per day, is engineered for reliable operation with extended cleaning shutdown intervals, thereby increasing equipment lifetime. With its high capacity, the boiler can generate a larger amount of renewable electricity to meet the mill’s internal needs. The ash crystallization system effectively removes chlorides and potassium from the chemical cycle, reducing corrosion and limiting emissions. In addition, the order includes the Valmet Recovery Boiler Optimizer and related safety systems.
About Customer
Shandong Sun Holdings Co., Ltd., headquartered in Yanzhou District, Jining City, Shandong Province, is a multinational group integrating forestry, paper, and pulp production. The company operates more than three facilities in Shandong and Guangxi, China, as well as in Laos. With over 19,000 employees, the company ranks among the leading enterprises in China’s paper manufacturing industry.
