What is the warranty period for quality problems?

We guarantee to repair or replace the product within one year for quality problems.

What is the maximum vacuum degree this pump can achieve?

The ultimate vacuum degree is 0.096 -Mpa.

Single Stage Liquid Ring Vacuum Pump (price) /Air Pump

Name: Single Stage Liquid Ring Vacuum Pump (price) /Air Pump
Brand: Shanghai Yulong Vacuum Pump Co., Ltd.
SKU: 858765275

Shanghai, ChinaShanghai Yulong Vacuum Pump Co., Ltd.

US$500.00

1-19 sets

US$300.00

20+ sets

Product profile

Customization

Available

Oil or Not

Oil Free

Structure

Singel Stage

Model NO.

Exhauster Method

Pumping Air

Vacuum Degree

Low Vacuum

Work Function

Mainsuction Pump

Working Conditions

Dry

Transport Package

Standard Wooden Case

Specification

Trademark

YHZKB

Origin

Anhui

HS Code

8414100090

Production Capacity

300sets/Per Month

Key features

Oil-Free Operation: Uses water as sealant for oil-free pumping of air, steam, and gas.

Corrosion Resistance: Features fluororubber mechanical seals for smooth operation in strict weather.

Anti-Fouling Design: Pump cover includes anti-fouling coat disposal for enhanced durability.

Durable Impeller: Impeller made of alloy copper for firmness and reliability.

CE Certified Motors: All motors carry CE marks and are manufactured in-house for power matching.

Precision Quality Control: Over 30 years of experience with micro-machine controlled testing systems.

One-Year Guarantee: Guaranteed repair or replacement within one year for quality issues.

Fast Lead Time: Peak and off-peak season lead times are both within 15 workdays.

Company profile

Years of Export ExperienceQuality AssuranceProduction Process VisualizationProduct Certification

Shanghai Yulong Vacuum Pump Co., Ltd.

Shanghai, China

Business Type: Manufacturer/Factory, Group CorporationExport Year: 2005-04-21Nearest Port: shanghai, ningboAverage Response Time: ≤8.62hTerms of Payment: T/T, PayPal, Western UnionInternational Commercial Terms(Incoterms): FOB, CFR, CIF, DDP, EXW

AI-Powered supplier vetting

SummaryThe supplier is a limited company with 84 employees, related companies, valid import/export licensing, and a combined business type. It manufactures and sells vacuum pumps, water pumps, pump systems, Roots blowers, and related products. ISO 9001 certification and CE certification are reported. Manufacturing resources include six production lines in one record, more than ten in another, and 6–10 quality-control staff; the inconsistent production-line data should be verified. The supplier provides multiple customization options and ODM services, but reported no new products during the past year and has no available SDK. Exporting began in 2005, with exports representing 21%–30% of total sales. After-sales controls are weakly documented: there are no written complaint-handling or corrective/preventive-action procedures, and no approved-supplier list. Customer-related evidence is limited to OEM service for well-known brands, without named cases.

Supplier typeThe supplier is a limited company with a combined business type, related companies, and a stated scope covering manufacturing and sales of vacuum and water pumps plus import and export of goods and technologies. It is not identified as an offshore company and holds a valid import/export license.

CertificationsThe supplier reports ISO 9001 management-system certification, CE certification, and quality assurance in its quality-control processes. These certifications and stated quality assurance provide explicit evidence of formal quality and product-compliance capabilities.

After-Sales capabilityThe supplier reports no written procedures or records for handling customer complaints and no written corrective and preventive action procedures. Although quality assurance is reported, the documented after-sales and issue-resolution mechanisms show a clear deficiency.

R&D capabilityThe supplier has 6–10 years of total R&D-engineer experience and offers ODM services, but reports no new products during the past year and no available SDK. The evidence shows some R&D resources and design capability, while recent innovation output and technical-platform support are limited.

Production capacityThe supplier manufactures a broad range of vacuum and water pump products, reports 84 employees, six production lines in one record and more than ten in another, and has 6–10 quality-control staff. However, it does not continuously reconcile quantities for each batch and has no outsourcing standard operating procedure; the conflicting production-line figures also require verification.

Customization capabilityThe supplier explicitly offers customization from samples, full customization, customization from designs, flexible customization, and minor customization, together with ODM services. This is direct evidence of broad customization capability.