Cleaner Air Is Our Unchanging Mission.
Guangzhou Topkat Environmental Technology Co., Ltd. was founded by a professional team with over 20 years of experience in high-temperature flue gas treatment and 15 years of engine exhaust OEM development. With technical support from European experts, we are committed to providing leading exhaust and high-temperature flue gas treatment solutions for global customers. Our self-developed metal DPF particulate traps and water-washable regeneration technology achieve over 90% filtration efficiency and one-minute fast regeneration. Meeting standards far stricter than national requirements, we deliver systematic products and services — from black smoke control to NOx and CO co-purification — for forklifts, construction machinery, generator sets and road vehicles.






Core Products
Self-developed · Industry-leading
TPS Water-Washable Metal Exhaust Purifier
1-minute water-washable regeneration with over 90% filtration efficiency. All-metal structure with an ultra-long service life — efficient black smoke treatment for forklifts, construction machinery and other diesel equipment.
Learn More →
SCR Dual-Reduction Purifier (DOC+DPF+SCR)
Three-in-one treatment of black smoke (PM), CO and NOx with single-pass compliance — a dual-reduction system solution for road diesel vehicles.
Learn More →
Ultra-High-Temperature Dust Removal & Filtration
Withstands 900–1200°C high temperatures with multi-functional filter tubes — for metallurgy, kilns, incineration, glass and other industrial high-temperature flue gas treatment.
Learn More →Diesel Exhaust Purification Series
TPS water-washable, maintenance-free dry, SCR dual-reduction, active regeneration and electrostatic adsorption technologies for forklifts, construction machinery, trucks, generator sets and special equipment.
View Products →High-Temperature Flue Gas Purification Series
Ceramic fiber filter tubes (up to 900°C) and all-in-one catalytic filter tubes for dust removal, dioxin decomposition, denitration and acid removal.
View Products →Industrial Dust Filtration Series
Stainless steel filter cartridges, filter bags, filter tubes, dust collector bags and ultra-high temperature dust collectors up to 1200°C.
View Products →Why Choose Topkat
Driven by Real Product Strength
Deep Expertise
Founded by a professional team with over 20 years of high-temperature flue gas treatment experience and 15 years of engine exhaust OEM development, deeply engaged in diesel exhaust and industrial high-temperature flue gas treatment with rich project experience and industry insight.
International Technology
With technical support from European experts, we have independently developed a range of environmental technologies and hold patents in various forms. We continuously develop products and equipment that meet standards far stricter than national environmental regulations, providing systematic solutions for customers.
Superior Quality
Our proprietary TPS metal exhaust purifier achieves over 90% filtration efficiency and full compliance with emission standards. The built-in high-temperature resistant metal filter cartridge is impact-resistant and corrosion-resistant, with service life nearly equal to the vehicle itself — far superior to traditional ceramic DPF.
Flexible Customization
Purifier dimensions can be customized to suit any installation space and are compatible with all diesel engine power ratings. Clamp-mount design enables quick installation and removal in 30 seconds — compact and lightweight for easy integration into construction machinery and vehicles.
Attentive Service
One-stop service from solution design, equipment selection to installation and commissioning for customers nationwide. More than 5,000 successful application cases cover forklifts, construction machinery, trucks, generator sets and industrial high-temperature flue gas treatment.