What is the lead time for orders?

Peak season lead time is one month, while off-season lead time is within 15 workdays.

What payment terms are accepted?

The accepted terms of payment are LC (Letter of Credit) and T/T (Telegraphic Transfer).

Does the blower vibrate significantly?

The rotor is a fully machined precision product with complete dynamic balance, resulting in almost no vibration.

Two-Stage

Name: Nsrh50 Tri-Lobe Roots Blower /Single-Stage/Two-Stage
Brand: Greentech Industry (Jinan) Co., Ltd.
SKU: 2046271552

Shandong, ChinaGreentech Industry (Jinan) Co., Ltd.

US$675.00-875.00

5 Pieces

Product profile

Customization

Available

Material

Casting Iron

Usage

for Manufacture

Model NO.

Nsrh50

Pressure

Low Pressure

Color

Blue

Impeller

Tri-Lobe

Connect

Belt

Drive

Motor

Transport Package

Wooden Case

Specification

NSRH50

Trademark

greentech

Origin

China

HS Code

8414

Production Capacity

1000sets/Months

Key features

High Efficiency Design: New impeller lines improve adiabatic and volumetric efficiency, reducing heat generation and temperature rise.

Low Noise Operation: Helix structure with silent air cleaner and muffler significantly reduces operating noise compared to previous models.

Precision Rotor: Fully machined rotor with complete dynamic balance ensures almost no vibration during operation.

Compact Structure: Small design with minimal mounting area, ideal for space-constrained installations.

Wide Application Range: Suitable for sewage treatment aeration, powder conveyor, combustion furnaces, washing, and vacuum packaging.

Standardized Specifications: Each model includes performance tables and standard specifications for easy fan model selection.

High Pressure Capacity: Exhaust pressure in dry state reaches up to 1kgf/cm2 with pressure rise from 9.8kPa to 98.8kPa.

Customizable Options: Color, Impeller type, Connect method, and Drive type can be customized to specific requirements.

Company profile

Greentech Industry (Jinan) Co., Ltd.

Shandong, China

Business Type: Manufacturer/FactoryExport Year: 2000-09-01Nearest Port: Qingdao, ShanghaiAverage Response Time: ≤0.78hTerms of Payment: LC, T/TInternational Commercial Terms(Incoterms): FOB, CFR, CIF, EXW

AI-Powered supplier vetting

SummaryThe supplier is a professional technical manufacturer and exporter involved in mechanical parts, general and special equipment, electrical instruments, auto parts, mining machinery, CNC equipment, and related products. It reports R&D capability, SDK availability, 3D design services, ODM services, OEM experience for well-known brands, and broad customization options. Production information lists annual outputs of 100,000 ring blowers, 5,000 roots blowers, and 3,000 water ring vacuum pumps, supported by 11–20 quality-control staff and three R&D engineers. Written procedures and records are reported for supplier assessment, corrective and preventive actions, and customer complaints. However, no new products were launched in the past year, raw-material traceability status is unknown, and no overseas warehouses, showrooms, agents, branches, or offline trade-show participation are reported. Certification holdings and specific customer cases are not provided.

Supplier typeThe supplier identifies as a professional technical supplier and operates across equipment manufacturing, mechanical parts, mining machinery, CNC equipment, electrical instruments, and auto parts. Its stated business scope also includes import and export of goods and technology, indicating both manufacturing and trading/export activity.

After-Sales capabilityThe supplier reports written procedures and followed records for corrective and preventive actions and for handling customer complaints, and emphasizes customer service and satisfaction. These records provide explicit evidence of service-management processes, although overseas service infrastructure is absent according to the provided data.

R&D capabilityThe supplier reports professional R&D capability, 3D software design services, SDK availability, ODM services, OEM services for well-known brands, and multiple customization modes. Nevertheless, it also states that no new products were launched during the past year, and its product-information R&D response is negative, so recent innovation output is limited.

Production capacityReported annual output includes 100,000 ring blowers, 5,000 roots blowers, and 3,000 water ring vacuum pumps. The supplier also reports 11–20 quality-control staff, exports to South America, Southeast Asia/Mideast, and Europe, and an off-peak lead time of one month, providing explicit evidence of established production and export operations.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization, and flexible customization, supported by professional R&D and 3D software design services. This indicates broad capability to adapt products to customer specifications.