What documents you provide?

Usually, we provide Commerical Invoice, Packing List, Bill of loading, COA ,MSDS and Origin certificate. If your markets have any special requirements, let us know.

High Purity Tetramethylene Sulfone Sulfolane Solvent

Name: High Purity Tetramethylene Sulfone Sulfolane Solvent
Brand: Zibo Wan Hong Sheng Chemical Technology Co., Ltd.
SKU: 2185579172

Shandong, ChinaZibo Wan Hong Sheng Chemical Technology Co., Ltd.

US$3,600.00

1,000 kg

Sample price:US$900.00/piece.Request sample

Product profile

Customization

Available

CAS No.

126-33-0

Formula

C4h8o2s

EINECS

204-783-1

Classification

Solvent

Grade Standard

Industrial Grade

Whether Ring Formation or Not

Four-Membered Ring

Whether Containing Benzene Ring

Fat Hydrocarbon Saturation

Aliphatic Sulfur-Containing Cyclic Organic Compoun

Transport Package

Tank

Specification

250kg

Trademark

wanhongsheng

Origin

Zibo

HS Code

29349990

Production Capacity

1000000 Ton/ Year

Key features

High Purity & Stability: High purity sulfone compound with good thermal stability for petrochemical and fine chemical fields.

Versatile Applications: Used for aromatic extraction, gas desulfurization, petrochemical solvent, and organic synthesis.

Customization Available: Customization from samples available with special packing requirements accepted.

Fast Delivery: Shipment arranged within 7-15 days for most products.

Sample Support: Samples under 500g available, with buyer covering postage costs.

Comprehensive Documentation: Provides Commercial Invoice, Packing List, Bill of Lading, COA, MSDS, and Origin Certificate.

Flexible Packaging: Standard 200L/1000L barrels with metal frame or custom packaging options.

Stock Availability: Most products are kept in stock for immediate delivery.

Company profile

High Repeat Buyers ChoiceFast DeliveryR&D Capabilities

Zibo Wan Hong Sheng Chemical Technology Co., Ltd.

Shandong, China

CertifiedBusiness Type: Trading Company CertifiedR&D Capacity: OEM Service Available CertifiedCustomization Options: Customization from Samples CertifiedExport Year: less than 1 year CertifiedNearest Port: Qingdao PortAverage Response Time: ≤3.18h

AI-Powered supplier vetting

SummaryZibo Wan Hong Sheng Chemical Technology Co., Ltd. is a China-based trading company established in December 2024 with four employees and no stated affiliation with a larger group. Its business scope covers chemicals, additives, materials, fertilizers, and related products, but the supplied information does not establish in-house manufacturing. The supplier reports OEM service for well-known brands and sample-based customization, but does not provide ODM services or an SDK and launched no new products in the past year. Operational controls are weak or undocumented: there are no written complaint-handling procedures, no quality-control test equipment, and no written supplier-service assessment or corrective-action procedures. It has no inventory, overseas warehouse, showroom, overseas agent, or branch capability. Export experience is reported as less than one year, and no valid import/export license is stated. Financial information is present for several periods, but the slices do not provide sufficient...

After-Sales capabilityAfter-sales and service controls appear deficient: the supplier has no written customer-complaint procedures or records, no written service-capability assessment or corrective-action procedures, and no inventory, overseas warehouse, showroom, overseas agent, or branch. These explicit gaps indicate limited documented support capability.

R&D capabilityInnovation capability is limited by the explicit absence of ODM service, absence of an available SDK, no new products launched during the past year, and only one R&D engineer. These findings indicate weak demonstrated product-development capacity.

Production capacityThe business scope includes many chemical, additive, material, and fertilizer sales activities, but the supplier is identified as a trading company and no manufacturing facilities, production lines, output capacity, or workforce for production are provided. Quality-control test equipment is explicitly recorded as zero, further weakening evidence of in-house production capability.

Customization capabilityThe supplier explicitly reports customization from samples, providing evidence that it can support at least sample-based customization. However, the lack of ODM service means broader independent product-development customization is not demonstrated.

Product Q&A

Q:Can you provide samples?

Yes, we can provide less than 500g sample but the postage need to be bear by your side.

Q:How long will it take for the sample arrive?

Normally speaking it will take 5-7 days if customs clearance goes well.

Q:What's your delivery time?

Usually we will arrange the shipment in 7 -15 days.

Q:How about the validity of the products?

According to the products you ordered, for most product we have in stock.

Q:How about the packing?

Usually we provide the packing barrel as 200L /1000L with metal frame. Of course, if you have special requirements on them, we will make it specially according to your requirement.