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About Leelool
About Us
Corporate Culture
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Product Manual
Diesel Particulate Filters
SCR Denitration System
Products
Diesel Particulate Filters
SCR Denitration System
Components of DPF
News
News
Cases
Diesel Particulate Filters
SCR Denitration System
Contact Us
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Blog
Warm Congratulations to Leelool Purification on Securing Another National Invention Patent!
2025-10-27
This device is tailor-developed exclusively for the dedicated test bench scenario of diesel engines used in a large domestic diesel generator set we supply. It focuses on addressing the pollutant treatment needs during the testing process: it not only achieves efficient, reliable, and precise treatment of over-sprayed diesel, black smoke, and nitrogen oxides, but also ensures the test bench operates continuously and stably without any interference throughout the entire process.
Leelool’s Self-Developed "Quiet & Clean" Dual-Effect Catalytic Muffler for Internal Combustion Engine Exhaust
2025-10-25
Recently, the first batch of Leelool Purification’s new-generation "Quiet & Clean" dual-effect catalytic mufflers for internal combustion engine exhaust – a product embodying technological innovation and environmental protection responsibility – has successfully rolled off the production line.
The safety guard of Leelool diesel engine Purifier
2025-10-23
In DPF, the bypass system plays a role in opening or closing the bypass pipeline to control the flow of exhaust gas.When DPF is working normally, the bypass system is closed and the engine exhaust is purified by the purifier before being discharged.After the DPF completes the exhaust treatment during startup, the bypass system opens and the engine exhaust is directly discharged through the bypass pipe.
Leelool Purification reveals the secret weapon of diesel engine particulate filter for you.
2025-08-19
Leelool Purification ensures that the treatment effect of every black smoke purifier meets the standard by strictly screening filter material, leveraging long-term project practical experience, and continuously iterating the production and manufacturing process of filters.
Leelool Purification debuts at the 2025 China International Environmental Protection Expo
2025-10-25
On April 23, 2025, IE expo China – the bellwether of Asia’s environmental protection industry – concluded successfully in Shanghai. Leelool Purification made a strong appearance with the theme “Exploring Solutions to Break Through Uncertain Environments”, and gained authoritative recognition from the industry and in-depth attention from ecological partners by virtue of its innovative technology core, customized solutions and after-sales services.
The mid-2025 summary and work plan meeting for the second half of the year came to a successful conclusion！
2025-08-01
Users are our center, and quality is our radius. May all colleagues uphold their beliefs, go all out to achieve the goals, and jointly paint a magnificent picture of the company’s future development.
Warm congratulations on the successful conclusion of the 24th Shanghai Power Exhibition!
2025-08-01
Leelool Purification made a brilliant appearance with its core products and application solutions, injecting vitality into the green development of the internal combustion engine industry.
Leelool Purification’s ISO9001 Quality Management System Special Training Officially Launched!
2025-08-02
Leelool Purification adheres to the business philosophy of “Never just pass inspection” and always regards product quality as the foundation of the enterprise’s survival!
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