What is the working principle of the generator?

It uses a Mixed-refrigerant Joule-Thomson (MRJT) refrigerator driven by a single compressor to liquefy nitrogen at low temperatures.

What are the main applications of this liquid nitrogen generator?

It is mainly used in universities, scientific research laboratories, medical fields, and industrial production for freezing, preservation, and cooling.

What is the minimum order quantity?

The minimum order quantity is 1 unit.

High Quality Liquid Nitrogen Generator

Name: High Quality Liquid Nitrogen Generator
Brand: LDH GAS SYSTEMS COMPANY LIMITED
SKU: 2099544755

Beijing, ChinaLDH GAS SYSTEMS COMPANY LIMITED

US$10,000.00

1-9 Sets

US$50,000.00

10+ Sets

Product profile

Customization

Available

Application Fields

Chemical

Certification

CE, ISO, RoHS

Model NO.

LPLN-80

Condition

New

Noise Level

Low

Parts

Gas Tank

Purpose

Gas Storage

Usage

Nitrogen

Volum

Small

Liquid Nitrogen Production Rate

Quick

Temperature

-196

Theory

Low Temperature Liquefied

Function

Liquid Machine

Name

Liquid Nitrogen Equipment

Name1

Liquid Nitrogen Plant

Purity

95-99.999%

Machine Size

Medium

Transport Package

Wooden Case

Specification

as required

Trademark

LDH

Origin

China

HS Code

8414804090

Production Capacity

1000 Units/Year

Key features

High Purity Output: Produces liquid nitrogen with purity up to 99.999% for various industrial and medical applications.

Customizable Capacity: Output can be customized from 1 to 50 liters per hour to meet specific user requirements.

Energy Efficient Design: Features low power consumption and automatic one-key start operation for efficient use.

Durable & Reliable: Designed for 24-hour continuous operation with high reliability and long service life.

Compact Footprint: Small floor space design that is convenient, compact, and easy to move.

Advanced Technology: Utilizes Mixed-refrigerant Joule-Thomson cycle for high liquefaction efficiency and no maintenance.

Certified Quality: Products are CE, ISO, and RoHS certified, ensuring compliance with international standards.

Comprehensive Warranty: All products come with a 1-year warranty and online guidance for installation and debugging.

Company profile

Importers and ExportersHigh Repeat Buyers ChoiceManagement CertificationQuality Assurance

LDH GAS SYSTEMS COMPANY LIMITED

Beijing, China

CertifiedBusiness Type: Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 6 years CertifiedNearest Port: Tianjin PortAverage Response Time: ≤2.58h

AI-Powered supplier vetting

SummaryThe supplier is identified as a trading company whose scope includes gas, gas separation and purification equipment, machinery, installation, technical services, and import/export activities. It reports more than ten years of gas design and R&D experience, broad customization and ODM/OEM capabilities, available SDK support, and documented procedures for supplier service assessment, corrective actions, and customer complaints. Production information states annual outputs of 300 nitrogen generator sets, 350 oxygen generator sets, and 150 liquid nitrogen generator sets, with finished-product inspection instructions followed uniformly. ISO 9001:2015 certification is reported. Financial records are indicated for 2021–2023, but no financial results are provided. Overseas support appears limited because no overseas showroom, agent, branch, or offline trade-show participation is reported. No specific customer cases are disclosed.

CertificationsThe supplier reports holding an ISO 9001:2015 certificate and also reports uniformly followed instructions for finished-product inspection. The available evidence supports quality-management certification, although no other certifications are identified.

After-Sales capabilityThe supplier reports clear procedures and followed records for handling customer complaints, corrective and preventive actions, and service-capability assessment. It also states that its technical team provides pre-sale, sales, and after-sales technical support, including installation guidance and training; however, it reports no overseas agents, branches, showroom, or overseas-service countries.

R&D capabilityThe supplier reports more than ten years of gas design and R&D experience, a professional technical team, new products during the past year, ODM services, OEM services for well-known brands, and an available SDK. These statements provide explicit evidence of established product-development and technical-support capability.

Production capacityReported annual production output is 300 nitrogen generator sets, 350 oxygen generator sets, and 150 liquid nitrogen generator sets. The supplier also reports a one-month off-peak lead time, finished-product inspection instructions that are uniformly followed, and 11–20 quality-control staff, supporting a documented production and quality-control operation.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization, and flexible customization. It also reports ODM availability, providing direct evidence of broad customization and original-design support.