Powered by Made-in-China.com
High-Performance Compact Stable Precision Premium Roots Blower for Laboratory Ventilation
US$400.00
1 Piece
Product profile
Customization
AvailableMaterial
Cast IronUsage
Industrial, AgricultureModel NO.
QSR-1Flow Direction
CentrifugalPressure
Medium PressureCertification
RoHS, ISOTransport Package
Wooden BoxSpecification
0.5-223m³/minTrademark
QSROrigin
ChinaHS Code
8414599010Production Capacity
50sets Per MonthKey features
Low Noise Operation: Ensures quiet performance suitable for laboratory and indoor environments.
No Lubrication Required: Design features small clearances with no contact friction for clean gas delivery.
Wide Pressure Range: Operates effectively within 9.8-98kpa with stable flow proportional to speed.
Wear Resistant Design: Cast iron construction offers anti-clogging capabilities and long service life.
Simple Installation: Engineered for easy setup and integration into various industrial systems.
Multiple Customization Options: Supports full, minor, and flexible customization from samples or designs.
RoHS and ISO Certified: Meets international safety and quality standards for global compliance.
Fast Standard Delivery: Standard models dispatched within 3 working days after payment confirmation.
Company profile
CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 1 year CertifiedNearest Port: Qingdao PortAverage Response Time: ≤0.03h
AI-Powered supplier vetting
SummaryThe supplier demonstrates documented quality, complaint-handling, corrective-action, R&D, and supplier-assessment procedures. It provides 3D design, ODM, OEM, and multiple customization services, with evidence of recent new-product development and available R&D audit documentation. Manufacturing information includes three production lines, in-stock capability, experienced technical personnel, and broad export-market coverage. However, the supplier lacks an effective manufacturing-capacity contract with related subcontractors, overseas warehouses, overseas showrooms, overseas agents or branches, and an available SDK. Financial records are identified by year, but no substantive financial-performance details are provided. Customer-specific cases and certifications are not sufficiently documented.
Supplier typeThe supplier is presented as a manufacturer providing manufacturing and after-sales services, operating three production lines and maintaining in-stock capability. It also reports broad export-market coverage, while lacking overseas warehouses, showrooms, agents, or branches.
After-Sales capabilityThe supplier has clear procedures and followed records for corrective and preventive actions and customer complaints, and its engineers provide technical support for production and after-sales service. The company also states that it provides after-sales services, although it has no overseas agents or branches.
R&D capabilityThe supplier reports new products within the past year, R&D engineers responsible for new-product development, available R&D audit documentation, 3D software design, ODM capability, and total R&D engineer experience of 6–10 years. The lack of an available SDK is a limitation, but the documented development capabilities support an overall positive assessment.
Production capacityProduction capability is supported by three production lines, in-stock capacity, a stated quality-control system, quality assurance, and lead times of within 15 working days off-season and one month during peak season. A material limitation is the absence of a valid manufacturing-capacity contract with related subcontractors.
Customization capabilityThe supplier explicitly offers customization from samples, designs, full customization, minor customization, flexible customization, 3D software design, and ODM services. These multiple documented service types indicate strong customization coverage.
Product Q&A
Q:Are you a factory or a trading company?
A:
We are a professional manufacturer with our own production line, workshop and R&D team. We have over 15 years of rich experience.
Q:What's your payment term?
A:
a.TT 30% in advance,balance against B/L copy. b.Irrevocable L/C at sight. c.And sure,EXW price & cash are also acceptable
Q:What advantages do you have?
A:
We have 15 years trust of our customers. Guarantee Quality and timely Delivery ! Fast shipment as per customers requirement
Q:What is your minimum order quantity?
A:
For most standard models, our minimum order quantity is 1 sets.
Q:How long is the delivery time?
A:
For standard model products, the goods will be dispatched approximately 3 working days after payment. However, for customized products, the delivery time depends on the technical requirements.
Send Inquiry
*To:
Zhangqiu Qunyi Machinery Manufacturing Co., Ltd.
Zhangqiu Qunyi Machinery Manufacturing Co., Ltd.*Content:
Supplier replies will be sent to your registered email
You may also like
Laboratory Grade Compact Roots Blower, Low Vibration & Stable Pressure, Optional Remote Monitoring
US$4,599.00-6,999.00
1 Set(MOQ)
High-Performance 3kw and 5kw Industrial Air Blower for Ventilation
US$113.00-131.00
1 pieces(MOQ)
High-Performance Compact Blower for Industrial Use in Small Areas
US$100.00
1 Piece(MOQ)
Premium Ventilation Blower for Enhanced Air Conditioning Performance
US$50.00-200.00
1 Piece(MOQ)
High-Performance Compact 4-68 Centrifugal Blower for Superior Airflow
US$200.00-2,000.00
1 Piece(MOQ)
Premium High Performance Air Blower for Aquatic Fish Tanks
US$116.00-126.00
1 sets(MOQ)
High-Performance Tunnel Construction Axial Fan Blower for Efficient Ventilation
US$720.00-1,142.00
1 Piece(MOQ)
Top Quality Precision Ventilation Electric Blower for Optimal Performance
US$362.25-419.35
100 Pieces(MOQ)
High Performance 3.3 Inch Blower Series Customizable Voltage for HVAC Ventilation Use
US$50.00-100.00
1 Piece(MOQ)
High-Precision Roots Blower for Facial Tissue Folding Machines Synchronized Speed Control
US$2,999.00-6,999.00
1 Set(MOQ)
High-Performance 750W Kitchen Ventilation Blower for Superior Airflow
US$45.00-75.00
1 Piece(MOQ)
High-Performance Stainless Steel Centrifugal Blower for Food Processing
US$100.00
1 Piece(MOQ)
High-Performance Blower for Chemical Process Ventilation
US$399.00-1,999.00
1 Set(MOQ)
High-Performance Roots Rotary Blowers for Efficient Biogas Aeration
US$2,500.00
1 Piece(MOQ)
High-Performance 1HP Mini Inflatable Air Blower for Ventilation
US$82.50-90.00
1 pieces(MOQ)
High-Performance Customized Roots Blowers Ideal for Electroplating Systems & Foundry Equipment
US$380.00-390.00
1 Piece(MOQ)
High Performance 5.4 Kw Roots Blower for Industrial Use and Efficiency
US$490.00-5,300.00
1 Piece(MOQ)



















