About Us
Qingdao Power Space（Liwei） Environmental Protection Technology Co., Ltd.Who We Are
Qingdao Power Space(Liwei) Environmental Protection Technology Co., Ltd. is a leading manufacturer specializing in industrial fume extraction systems and comprehensive OEM/ODM services. We provide advanced engineering solutions to capture welding smoke, cutting fumes, grinding dust, and industrial oil mists, helping companies worldwide maintain safer and cleaner working environments.
Why Trust Us
OEM Service: Build your own brand of air filtration products with our proven, certified equipment, fully customized with your logos, color schemes, and manual branding.
Customized Solutions: From custom voltage configurations for different international grids to tailoring unit sizes for unique factory layouts, we co-develop solutions that fit your specific market standards.
Certified Quality: Our products fully comply with global safety standards, carrying European CE, ISO9001, ISO14001, and ISO45001 certifications.
Proven Expertise: Backed by an elite R&D team of environmental engineers and over 50 patents (including pending ones).
Our Product Lines
We offer both standard and custom-engineered systems for various manufacturing segments:
| Application | Core Products |
| Welding & Cutting Fume Control | • Mobile Welding Fume Extractor • On-gun high vacuum fume extractor • Laser Cutting Dust Collector |
| Grinding & Metalworking Dust | • Downdraft Table (Grinding & Polishing) |
| Machining & CNC Mist Collection | • Industrial Oil Mist Collector |
| Facility-Wide Air Purification | • Fume Extraction Towers (for large workshops) |
| Parts | • Air Filter Cartridges |
Not Sure Which System Fits Your Workshop?
Don't guess. Send us your workshop layout or dust type,get technical specifications and customization options.
Click here for free solution and request.
our honor
Quality system
CE
Explosion Protection
Our Service
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OEM/ODM Services
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Custom Fume Extractor
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Engineering Consultation
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Filter Cartridges Supply
OEM/ODM Services
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Private Labeling & Branding: Customized logos, color schemes, and specific structural nameplates to match your brand identity.
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Confidentiality & Protection: Strict NDA (Non-Disclosure Agreement) compliance to safeguard your proprietary designs and market exclusivity.
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Scalable Production: Robust manufacturing capacity ensuring stable lead times for both batch orders and single heavy-duty projects.
Custom Fume Extractor
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Specialize in manufacturing a wide range of industrial cartridge dust collectors, including downward flow, vertical-mounted, integrated, and mobile units.
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100% air-leakage testing and pressure testing before shipment to guarantee zero-defect delivery.
Engineering Consultation
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Comprehensive Site & Dust Assessment: Analyzing dust particle size, temperature, flammability, and moisture levels.
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Custom System Design: Providing detailed 2D/3D system layouts and airflow calculations (m³/h, Air-to-Cloth ratio).
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Compliance Alignment: Ensuring the design meets local environmental and emission standards (e.g., OSHA, EPA, or local EPA limits).
Filter Cartridges Supply
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Diverse Premium Media: Options include PTFE membrane, flame retardant, anti-static, nanofiber, and spunbond polyester to handle any dust type.
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Universal Compatibility: Custom sizes and mounting types (three-lug, twist-lock, flange, top/bottom mount) to fit major dust collector brands.
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Core Components Support: Rapid supply of impulse valves, sequential pulse controllers to ensure minimum downtime.
