Paper Pulping Machine,Pulp Production Line,Screening Machine,Refiner

Zhengzhou Yunda Paper Machinery Co., Ltd., since 1981, is a high-tech company. With its broad portfolio of products and services, Yunda sets standards in the Pulp & Paper and Solid Waste Sorting industries. Yunda has approximately 300 employees covering business in more than 40 countries.

i-OCC

High yield, high quality, high reliability and low energy consumption.
i-CTMP

Lower investment cost, better flexibility, good pulp quality and low production cost.
I-VSP

Hhas superior performance in reducing energy consumption, controlling product cost, improving product quality and operation stability.
Engineering Design

Faithful Service, Innovative Technology

Green and Intelligent Manufacture

Yunda provides system solutions for fiber processing and pulp making, including Recycled Fiber Processing Lines, Virgin Fiber Stock Preparation Lines, High-yield Mechanical Pulping Lines (i-BCTMP), Approach Flow Systems, Bale Breaking and Sorting Systems, and Closed Screening Systems for Chemical Pulp Lines. The key products are Conveyors, Bale Breakers, Pulpers, Pressure Screens, Screen Baskets, Cleaners, Refiners, Agitators, Thickeners, Thermal Shredders (Pressurized Refiners), Pre-steaming Bins, Plug Screw Feeders, Thermal Softening Tubes, Cyclones, Reaction Towers, Bleaching Towers, and Screw Presses.

Engineering-Procurement-Construction (EPC), professional and thoughtful one-stop service for you

Yunda has enlarged its sales scope to all over the world. By solid foundation and skilled technology, professional technical talents and service team bring professional service to customers.

EPC Service

In recent years, by virtue of excellent hardware facilities, strong production and processing strength, innovative technology and improving service, Yunda has marched to EPC project field.
Genuine Fittings

Yunda offers quick supply and lightning-fast delivery of common-used components and quick-wear parts for all its complete machines and auxiliary equipment, helping save more time and create more benefits for customers.
Service Stations

Service anywhere and anytime: Telephone, email, video, on-site;Yunda has consistently adhered to the concept of "Faithful and Professional, Serve Pulp and Paper Industry"to provide users with all-round and timely services

Company News & Industry Trends

Company News | 2025/05/16
The complete set of stock preparation system and approach flow system provided by Yunda to Gansu Yusen 360,000 tons tissue paper project (Phase I) was successfully started up.
Congratulations on the successful Starting up of the Gansu Yusen TM1/TM2/TM3/TM4 tissue paper production lines on the same day! Collaborative Innovation, Shared Success On May 10, the 360,000-ton tissue paper project (Phase I) of Gansu Yusen New Materials Technology Co., Ltd. successfully commenced production with TM1/TM2/TM3/TM4 all going online! The project is equipped with four…

27

01.2026

Fluid mechanics of pulp suspensions
One basic characterisation of the rheology of a fluid is the description of the correlation between the forces acting on a fluid,f.i. in form of a pressure gradient, and the shear forces or the shear stress occurring in the fluid. If we consider a simple pipe flow as sketched in Figure 1, the driving force of…
21

01.2026

Grand Start-Up Success! Yunda’s Complete Stock Preparation System Supports Jiangxi Zhenguan PM5 in Achieving First Successful Paper Run
New Line Triumph On January 19, 2026, the PM5 specialty paper project of Jiangxi Zhenguan Eco-Degradable New Materials Co., Ltd. (hereinafter referred to as Jiangxi Zhenguan) was successfully commissioned and achieved first paper on the reel. The project mainly produces glassine paper. Yunda supplied a one-stop stock preparation solution covering the entire process from raw…
17

01.2026

This is how the screen basket pen holder was created
When we first made it, our sales didn’t care about it. They said it’s so heavy. It’s so heavy to carry in a bag that nobody wants it. However, some chief engineers asked me, Mr. Xu, Could you get me some of those small screen baskets? All operators in our workshop are asking for it,…
06

01.2026

China-Russia Pulp and Paper Industry In-depth Seminar
Hello everyone ,I am Sensen Wang, a reporter from China Paper Magazine. I am now in Xinzheng, Henan Province attending the China–Russia Pulp and Paper Industry Deep Cooperation Seminar held at Zhengzhou Yunda Paper Machinery . The purpose of this conference is to promote mutual exchange and learning between China and Russia in the pulp…

i-OCC

i-CTMP

I-VSP

Engineering Design

Engineering-Procurement-Construction (EPC), professional and thoughtful one-stop service for you

Company News & Industry Trends

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