Yunda Supports Wuzhou Specialty Paper’s 450,000-Ton Packaging Paper Project Successfully Start-Up

On March 18, 2025, the 450,000 TPA packaging paper project at the Hubei base of Wuzhou Special Paper Group Co., Ltd. was successfully commissioned and put into operation.

The paper machine features a width of 8,600 mm and a design speed of 1,200 m/min, and is used for the production of packaging paper grades. As a major supplier of the stock preparation system, Yunda provided key equipment including the conveying system, D-Type Continuous Pulping System, coarse screening system, fractionation screening system, and fine screening system.

Particularly noteworthy is the innovative integration of three core technologies within the system:

• Multi-Gradient Screening Technology – Improves screening efficiency.
• Permanent Magnet Motor Drive Technology – Achieves energy savings of 20% or more.
• Compact Chestless Design – Reduces floor space requirements by 30%.

Through a three-dimensional innovation framework focused on space optimization, low-carbon energy consumption, and intelligent control, the system has achieved:

• 20% improvement in overall operational efficiency
• Finished stock quality acceptance rate exceeding 90%

In addition, the coordinated operation of key equipment together with a full lifecycle predictive maintenance system ensures long-term trouble-free operation while improving maintenance efficiency by 30%.