What certifications does the product hold?

The product is certified with CE, ISO, and RoHS standards.

What is the lead time for delivery?

The average lead time is around one month, with peak season times potentially extending to 1-3 months.

What is the minimum order quantity?

The minimum order quantity is 1 unit.

Ldh Freezing Machine Liquid Nitrogen Generator

Name: Ldh Freezing Machine Liquid Nitrogen Generator
Brand: LDH GAS SYSTEMS COMPANY LIMITED
SKU: 2057242245

Beijing, ChinaLDH GAS SYSTEMS COMPANY LIMITED

US$2,000.00-100,000.00

1 Piece

Product profile

Customization

Available

Application Fields

Chemical

Certification

RoHS, ISO, CE

Model NO.

LPLN-20

Condition

New

Noise Level

Low

Parts

Gas Tank

Purpose

Gas Manufacturing

Usage

Nitrogen

Delivery

Around 50days

Volum

Small

Liquid Nitrogen Production Time

Short

Storage

Dewar

Use

Laboratory Cryopreservation

Use1

Cryopreservation of Bovine Sperm

Use2

Nuclear Magnetic Resonance (Nmr)

Machine Size

Small

Transport Package

Wooden Case/Pallet Under Export Standard

Specification

LDH N2 series

Trademark

LDH

Origin

China

HS Code

841960

Key features

High Purity Output: Food grade liquid nitrogen with 99.999% purity for safe biological and food applications.

High Altitude Stability: Proven stable operation at altitudes up to 4500 meters in diverse global markets.

Flexible Customization: Supports full customization, minor adjustments, and flexible design-based modifications.

Low Noise Operation: Designed for low noise levels, suitable for laboratory and sensitive environment use.

Certified Quality: Complies with CE, ISO, and RoHS standards for international safety and quality assurance.

Rapid Production: Generates 1-50L/hour with short production time for efficient laboratory cryopreservation.

Advanced Control: Equipped with PLC touch screen control for precise monitoring and easy operation.

Wide Application: Used for food freezing, physics research, superconductivity, and biological tissue preservation.

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: ≤2.68h

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.

Product Q&A

Q:What is the purity level of the liquid nitrogen produced?

The food grade liquid nitrogen has a purity of 99.999%, ensuring safety for human consumption and biological applications.

Q:Can this machine operate at high altitudes?

Yes, the machine has been tested and operates stably at altitudes up to 4500 meters.

Q:What are the main applications of this liquid nitrogen generator?

It is used for rapid food freezing, low-temperature physics research, science education demonstrations, superconductivity experiments, and biological tissue cryopreservation.

Q:Is customization available for this machine?

Yes, we offer full customization, minor customization, and flexible customization options based on samples or designs.

Q:What is the production capacity of the machine?

The production capacity ranges from 1 to 50 liters per hour, depending on the specific model selected.