What after-sales service is provided?

We provide 24 hours online after-sales service to assist customers with any technical or operational questions.

What material is used for the column?

The chromatographic column is made of high-quality glass, suitable for liquid reactants and lab applications.

What payment terms are accepted?

We accept various payment terms including LC, T/T, D/P, PayPal, Western Union, and small-amount payments.

Lab Use Glass Fritted Chromatographic Column with PTFE Stopcock

Name: Lab Use Glass Fritted Chromatographic Column with PTFE Stopcock
Brand: Zhengzhou Wollen Instrument Equipment Co., Ltd.
SKU: 2066380485

Henan, ChinaZhengzhou Wollen Instrument Equipment Co., Ltd.

US$10.00-200.00

1 Piece

Product profile

Customization

Available

After-sales Service

24 Hours Online

Disposable

Non-Disposable

Model NO.

20x300

Certification

CE, ISO

Reactant State

Liquid

Material

Glass

Name of Commodity

Chromatographic Column

Model

20X300

Tube Diameter

20mm

Effective Length

300mm

Height

400mm

Transport Package

Carton Box

Trademark

WollenLab

Origin

China

HS Code

7017900000

Production Capacity

5000PCS/Month

Key features

Wide Size Range: Available in tube diameters from 13mm to 100mm and effective lengths up to 800mm.

PTFE Stopcock: Equipped with durable PTFE stopcock for precise flow control and chemical resistance.

High Quality Glass: Made from high-quality glass material ensuring durability and clarity for lab use.

CE & ISO Certified: Products meet CE and ISO certification standards for safety and quality assurance.

24/7 Online Support: Provide 24 hours online after-sales service to assist customers anytime.

Flexible Customization: Supports full customization, minor customization, and customization from samples or designs.

Low MOQ: Minimum Order Quantity is only 1 Set, suitable for small batch or trial orders.

Fast Delivery: Average lead time within 15 workdays for both peak and off seasons.

Company profile

Importers and ExportersFast DeliveryCustomization from SamplesOEM Services

Zhengzhou Wollen Instrument Equipment Co., Ltd.

Henan, 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: 3 Years CertifiedNearest Port: Shanghai PortAverage Response Time: ≤4.68h

AI-Powered supplier vetting

SummaryThe supplier is a limited company focused on laboratory instruments, including reactors, incubators, rotary evaporators, and circulating baths. It reports extensive customization, ODM, and OEM capabilities, while export sales represent 90% and markets span multiple regions. Production evidence includes 800 rotary evaporator sets annually and stated peak and off-season lead times of within 15 working days. However, the supplier reports only two employees, fewer than five quality-control staff, one year of R&D engineer experience, no new products in the past year, and no 3D design or SDK capability. After-sales and quality-management documentation is weak or unavailable: there are no written complaint-handling or corrective-action procedures, no overseas service infrastructure, and quality assurance status is unknown. Financial records are identified for 2020–2022, but no assessable financial results are provided.

Supplier typeThe supplier is a limited company that produces and sells laboratory instruments, with self-operated import/export rights and 90% of sales from exports. Its product range includes reactors, incubators, rotary evaporators, and circulating baths, indicating a manufacturer-oriented laboratory-equipment supplier.

After-Sales capabilityThe supplier has no overseas showroom, agents, branches, or reported offline trade-show participation. It also has no written complaint-handling or corrective/preventive-action procedures, although service quotations and payment terms are defined and service-capability assessment records exist without a written procedure.

R&D capabilityThe supplier states that it pursues continuous innovation and product expansion, and it provides ODM and OEM services. However, it reports no new products during the past year, no SDK, no 3D software design service, and only one year of R&D engineer experience, limiting evidence of current innovation strength.

Production capacityThe supplier reports annual rotary evaporator output of 800 sets and lead times within 15 working days in both peak and off-season periods. However, the reported total employee count is only two and quality-control staffing is fewer than five, so overall production scale and operational depth remain difficult to verify.

Customization capabilityThe supplier explicitly offers customization from samples and designs, full, minor, and flexible customization, as well as ODM and OEM services for popular brands. This is direct evidence of broad customization capability, despite the absence of 3D software design and SDK support.