Environmental protection equipment supplier
Environmental Treatment Solutions
Industrial Wastewater Treatment & Waste Gas Treatment Solutions
Soto Machinery Co., Ltd. (Qingdao) is a leading manufacturer of industrial wastewater treatment systems and waste gas treatment equipment. We provide factory-direct pricing, custom engineering solutions, and global shipping for businesses worldwide.
15+
Years Experience
500+
Projects Delivered
40+
Countries Served
99%
Client Satisfaction
Our Product Lines
Comprehensive Environmental Treatment Solutions
We manufacture a complete range of wastewater treatment and waste gas treatment equipment, designed to meet the strictest industrial emission standards.
Wastewater
Industrial Wastewater Treatment Equipment
Complete wastewater treatment systems for industrial and municipal applications, from primary treatment to advanced membrane filtration.
- Integrated Sewage Treatment Equipment
- Dissolved Air Flotation (DAF) Systems
- MBR Membrane Bioreactor Systems
- Sedimentation Tanks & Filters
Waste Gas
Industrial Waste Gas Treatment Systems
Advanced air pollution control solutions for VOCs, dust, odor, and industrial fumes, compliant with international emission standards.
- UV Photolysis Waste Gas Purifiers
- Activated Carbon Adsorption Units
- Baghouse Dust Collectors
- Wet Scrubbers & Deodorization
Featured Products
Popular Industrial Treatment Equipment
Our most sought-after systems, trusted by hundreds of industrial clients across the globe.
Wastewater Treatment
Integrated Sewage Treatment Equipment
Compact, pre-assembled wastewater treatment systems for residential and small industrial applications.
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Wastewater Treatment
Dissolved Air Flotation (DAF) System
High-efficiency DAF machines for removing suspended solids, oils, and grease from industrial wastewater.
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Waste Gas Treatment
UV Photolysis Waste Gas Purifier
Advanced UV-based VOC decomposition system for industrial waste gas and odor control.
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Waste Gas Treatment
Baghouse Dust Collector System
High-efficiency bag filter dust collectors for industrial particulate and fume extraction.
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Why Choose Soto
The Soto Machinery Advantage
We combine 15+ years of manufacturing expertise with cutting-edge technology to deliver reliable, cost-effective environmental solutions.
Factory-Direct Pricing
Own manufacturing facility in Qingdao means competitive pricing and direct quality control without middlemen.
Custom Engineering
Our engineering team designs tailored solutions based on your specific wastewater and waste gas conditions.
Global Support
We ship worldwide and provide remote installation guidance, commissioning, and after-sales service.
Certified Quality
ISO 9001 certified factory with strict quality control and CE-marked products for international markets.
Case Studies
Recent Project Success Stories
See how we’ve helped industrial clients achieve compliance and reduce operational costs with our treatment solutions.
Wastewater
500 m³/d Food Processing Wastewater Treatment Plant
Complete DAF + MBR system for a large food processing facility, achieving discharge standards with 98% COD removal.
Waste Gas
Chemical Plant VOC Emission Control System
UV photolysis + activated carbon combination system for a chemical plant, reducing VOC emissions by 95% to meet standards.
Dust Control
Packaging & Printing Factory Waste Gas Treatment
Comprehensive waste gas treatment solution for a packaging printing factory handling VOCs and particulate matter.
FAQ
Frequently Asked Questions
Common questions about our wastewater and waste gas treatment equipment.
What types of wastewater treatment equipment does Soto Machinery manufacture?
Soto Machinery manufactures a full range of wastewater treatment equipment including integrated sewage treatment plants, dissolved air flotation (DAF) systems, MBR membrane bioreactors, inclined tube sedimentation tanks, membrane filtration systems, and multi-media filters. Our systems handle various industrial applications from food processing to chemical manufacturing.
Do you provide custom-engineered waste gas treatment solutions?
Yes, Soto Machinery provides custom-engineered waste gas treatment solutions tailored to your industry and emission requirements. Our engineering team designs systems for VOC control, dust collection, odor removal, and industrial fume extraction. We analyze your specific gas composition, flow rate, and discharge standards to recommend the optimal technology combination.
What is the typical lead time for equipment delivery?
Standard equipment typically ships within 15-30 days from order confirmation. Custom-engineered systems require 30-60 days depending on complexity. We provide detailed project timelines during the quotation phase and keep clients updated throughout manufacturing. All equipment undergoes factory testing before shipment.
Do you offer installation and after-sales support?
Yes, we provide comprehensive support including detailed installation drawings, remote video guidance, and on-site installation supervision for larger projects. Our after-sales service includes a 12-month warranty, spare parts supply, operator training, and routine maintenance guidance. We also offer 24/7 technical support for urgent issues.
How do I get a quotation for my project?
Simply fill out the quote form on our website or email us at david@sotomachinery.com with your project details including: type of wastewater/gas, flow rate, inlet/outlet quality requirements, and any specific standards you need to meet. Our technical team will review your requirements and provide a detailed quotation within 24-48 hours. We can also schedule a video call to discuss your project in detail.
Latest Insights
Industry News & Technical Guides
Stay updated with the latest trends, regulations, and technical best practices in environmental treatment.
Oct 9, 2026
How Should Slaughterhouse Wastewater Be Treated
How should slaughterhouse wastewater be treated with screening DAF biological treatment membrane filtration disinfection and sludge management
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Oct 9, 2026
How to Treat Pickling and Phosphating Wastewater
Learn how pickling and phosphating wastewater should be treated with pH neutralization phosphate removal membrane filtration and sludge management
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Oct 9, 2026
What Industrial Exhaust Gases Can Scrubber Towers Treat
Learn what industrial exhaust gases can scrubber towers treat including acid gases VOCs dust ammonia chlorine odors and more with selection tips
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Oct 8, 2026
Cattle and Pig Farm Wastewater Treatment Methods
Explore common methods for wastewater treatment at cattle and pig farms including separation digestion ponds wetlands and advanced systems for complia
Read More ›Ready to Start Your Environmental Treatment Project?
Get a free consultation and custom quote from our engineering team. We’ll analyze your requirements and recommend the best solution for your needs.
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