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Jingzhu is the sole distributor of all Shanghai Roulong products for foreign trade.

Jingzhu Technology

Jingzhu (Shenyang) Technology Co., Ltd. is a company specializing in industrial laundry machinery, with a primary focus on technical services and engineering design. To meet the needs of the laundry industry’s transformation and upgrading, the company has brought together numerous ambitious, innovative talents. We are dedicated to the research and development, promotion, provision of tailored solutions, and after-sales service for automated equipment and systems used in commercial laundries and institutional laundry facilities.
Shanghai Roulong Technology Co., Ltd. is a manufacturing enterprise that has long-term, close strategic partnerships. Jingzhu (Shenyang) Technology Co., Ltd. specializes in the research and development, production, design, technology, and services of washing equipment for public textiles and medical soft devices, providing customers with unique washing and disinfection equipment as well as integrated solutions.

2021 Year

The company was founded.

360 degrees

Unique 360-degree washing technology

6 +

6 major product lines

800 +

Serving global customers

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About Us

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Enterprises in the industrial laundry machinery sector that primarily focus on technical services and technical design.

Jing Zhu

Shanghai Roulong Technology Strategic Partner

Jing Zhu

Medical decontamination

Jing Zhu

Washing upgrade

Jing Zhu

Washing equipment manufacturing, R&D, and service

Jing Zhu

Integrated solution

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Solution

We specialize in the R&D, production, design, technology, and service of washing equipment for public textiles and medical soft devices, providing customers with unique decontamination equipment and integrated solutions.

WHY CHOOSE OUR COMPANY?

Our strengths

Companies in the industrial laundry machinery sector, which focus on technical services and engineering design, provide professional solutions and technical support throughout product use, earning a strong reputation among their customers.

Emerging enterprise

A newly established joint-stock enterprise in the industrial laundry machinery sector, focused on technical services, is dedicated to providing automated equipment and professional services to commercial laundries and institutional laundry facilities.

Solution

The company specializes in the R&D, manufacturing, and service of washing equipment in the fields of medical disinfection and laundry upgrading, providing comprehensive, integrated solutions for customers with diverse laundry needs.

Company team

The company’s core team comes from industry-leading enterprises and has accumulated years of practical experience, possessing brand-new business and service philosophies that align with the trends of our times.

Customized service

Roulong doesn't just focus on cost-effective products; it also provides advisory consulting and complementary engineering services, offering customers more professional, customized solutions.

2025/09/26

How does a centrifuge work?


A centrifuge is a common industrial device whose primary function is to separate solids from liquids in a mixture. The operating principle of a centrifuge is based on the action of centrifugal force: by means of a high-speed rotating rotor, the centrifuge separates solids from liquids in the mixture.

2025/08/19

The New Centrifugal Laundry Machine: A Revolutionary Force in Industrial Washing


In the rapidly evolving industrial laundry sector, a new centrifugal laundry machine is leading industry transformation with its outstanding performance and intelligent design. This equipment not only integrates advanced synergistic technologies that combine mechanical and chemical forces but also sets a new standard for efficient, energy-saving, and environmentally friendly washing through its modular design and smart control system.

2025/10/16

Modular Laundry Systems: An Innovation in Efficiency and Ecological Transformation in the Industrial Washing Industry


Faced with multiple pressures—including rising labor costs, water shortages, and increasingly stringent environmental regulations—industrial laundry equipment is undergoing a transformation. Modular laundry systems, with their innovative approach of “modular design + intelligent control + ecological recycling,” are emerging as key equipment for cost reduction and efficiency enhancement in sectors such as healthcare, hospitality, and rail transport. Modular laundry systems introduced by companies like Shanghai Weshi Machinery and Spain’s Carbonal have, through dual innovations in physical structure and control systems, transformed the traditional laundry system’s limitation of “single-line continuous operation” into the advantage of “flexible multi-compartment scheduling,” thereby redefining the production logic of industrial laundry.