Where is the manufacturer located and where do they ship?

Located in Yantai, Shandong, China, with exports to North America, Europe, Southeast Asia, and other global markets.

What safety features prevent explosion in the dewar?

The design allows gas to escape through an open top or loose stopper, and sophisticated models trap gas at high pressure.

Does the product come with a warranty or after-sales support?

While specific warranty terms are not listed, the company provides R&D support and maintains a global sales network.

Cryogenic Dewar Flask Deep Vacuum Welded Steel Ln2 Electronic Semiconductor Storage 250L CE ISO Certified

Name: Cryogenic Dewar Flask Deep Vacuum Welded Steel Ln2 Electronic Semiconductor Storage 250L CE ISO Certified
Brand: Shandong Shaohua Gas Co., Ltd.
SKU: 2303421435

Shandong, ChinaShandong Shaohua Gas Co., Ltd.

US$1,580.00-1,700.00

10 Pieces

Product profile

Customization

Available

Application Fields

Chemical, Electronic, Food

Certification

CE, ISO

Model NO.

SH-250L

Condition

New

Filling medium type

Lox, Ln2, Lar, Lco2, Ln2o, LNG

Manufacturing Method

Vacuum Welding

Material

Steel

Parts

Gas Tank

Purpose

Gas Storage

Working pressure

Low pressure gas cylinder

Application

Lox,LNG,Lar,Lco2,Ln2o,Ln2

Full COA & MSDS

Provided

OEM & ODM Service

Supported

Place of Origin

China

Transport Package

Standard Packaging

Specification

250L

Trademark

Shaohua/OEM

Origin

China

HS Code

731100900

Key features

High-Purity Cryogenic Storage: Specialized vacuum flask designed for storing liquid nitrogen, oxygen, argon, and other cryogens safely.

Self-Pressurizing Design: Utilizes gas pressure to force liquid upward, extending storage periods by increasing the boiling point.

Explosion Prevention Safety: Sophisticated designs trap released gas above liquid to prevent explosion risks during slow boiling.

Multi-Industry Application: Widely used in biopharmacy, animal husbandry, food processing, metal treatment, and cold chain logistics.

Full Customization Options: Offers full, minor, and flexible customization from samples or designs to meet specific client needs.

ISO9001 Certified Quality: Manufactured under ISO9001:2015 management system with 100% visual and function inspection.

Global Sales Network: Serves clients in China, Southeast Asia, Middle East, Europe, and America with one-stop solutions.

Patented Technology: Backed by dozens of national patents for low-temperature equipment and advanced cryogenic technology.

Company profile

Fast DeliveryHigh Repeat Buyers ChoiceQuality AssuranceManagement Certification

Shandong Shaohua Gas Co., Ltd.

Shandong, China

Business Type: Manufacturer/FactoryExport Year: 2026-05-22Nearest Port: Qingdao, YantaiAverage Response Time: ≤3.01hTerms of Payment: LC, T/T, Western Union, etc.International Commercial Terms(Incoterms): FOB, EXW, CFR, FCA

About Our Factory & Business Background

AddressNo. 208, 2nd Floor, Building 1, No. 5 Fengshan Road, Zhifu District, Yantai, Shandong, China

Average Lead TimePeak Season Lead Time: 1-3 months Off Season Lead Time: one month

Our Production Capability & Technical Expertise

Main ProductsHydrogen Production Equipment, Oxygen Generator, Nitrogen Generator, Air Temperature Vaporizer, Cryogenic Liquid Pump, Liquid Nitrogen Biological Container, Liquid Nitrogen Vacuum Pipe, Bulk Liquid, Bottled Gas, Storage Tank