What certifications do the machines have?

The machines are certified with CE, ISO, and RoHS standards.

Is the liquid nitrogen safe to use?

Yes, it is inert, colorless, and non-toxic. It gasifies immediately upon contact with air, ensuring safety if handled with basic awareness.

Liquid Nitrogen Machine with Stable Quality

Name: Liquid Nitrogen Machine with Stable Quality
Brand: LDH GAS SYSTEMS COMPANY LIMITED
SKU: 1909663262

Beijing, ChinaLDH GAS SYSTEMS COMPANY LIMITED

US$2,000.00-100,000.00

1 Piece

Product profile

Customization

Available

Application Fields

Chemical

Certification

CE, ISO, RoHS

Model NO.

LPLN-40

Condition

New

Noise Level

Low

Parts

Gas Tank

Purpose

Gas Manufacturing

Usage

Nitrogen

Type

Air-Cooled

Cooling Water

Industrial Water

System Type

Open System

Fans Species

Single-Speed Fan

Purity

99-99.999%

Machine Size

Small

Transport Package

Wooden

Specification

1900*1800*2100

Trademark

LDH

Origin

Beijing China

HS Code

841960

Production Capacity

200

Key features

High Purity Output: Produces liquid nitrogen with purity up to 99.999%, suitable for food and medical grades.

Wide Application Range: Ideal for NMR spectroscopy, food freezing, cryogenics, and biological tissue preservation.

Flexible Customization: Supports full customization from samples or designs, including type, cooling, and size.

Advanced PLC Control: Equipped with PLC touch screen for precise monitoring and operation of the system.

Certified Quality: Products hold CE, ISO, and RoHS certifications ensuring safety and compliance.

Low Noise Operation: Designed with low noise levels for safer and more comfortable working environments.

Versatile Cooling Options: Available in air-cooled and water-cooled systems to fit different industrial needs.

Safety Guaranteed: Nitrogen gasifies immediately upon air contact, ensuring inherent safety during use.

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: ≤2.14h

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.