What is the lead time for delivery?

Delivery time is communicated in advance, with peak and off-season lead times typically around one month.

What are the benefits of long-term cooperation?

Benefits include guaranteed supply, price protection discounts, and complimentary access to our hazardous chemicals management system.

Premium Quality Sodium Hydrosulfide Flakes for Mining Use

Name: Premium Quality Sodium Hydrosulfide Flakes for Mining Use
Brand: Dongying Zhongcheng Chemical Co., Ltd.
SKU: 2150482252

Shandong, ChinaDongying Zhongcheng Chemical Co., Ltd.

US$350.00-670.00

1 Ton

Product profile

Customization

Available

CAS No.

16721-80-5

Formula

Nahs

Model NO.

Sodium Hydrosulfide

EINECS

231-970-4

Appearance

Powder

Classification

Purity

≥99%

Type

Sodium Hydrosulfide

Grade Standard

Industrial Grade

Chemical Composition

Pure Sodium Hydrosulfide (Nahs, ≥70% Typical Flake

Molar Mass

56.06 G/Mol

Physical State (25℃, 1 ATM)

White to Light Yellow Crystalline Flake/Granular S

Boiling Point

Decomposes Before Boiling (Releases H2s)

Melting Point

350 °C (Decomposes)

Flash Point

Non-Flammable Solid

Density (20℃)

1.79 G/Cm³

Solubility

Easily Soluble in Water (Releases Heat), Soluble I

Odor

Slight Hydrogen Sulfide Odor, Pungent in Humid Air

Chemical Classification

Inorganic Alkaline Sulfide Salt, Industrial Reduci

Transport Package

Bag/Drum/IBC/Tank

Specification

Per Customer's Requirement

Trademark

Zhongcheng Chemical

Origin

China

Key features

Versatile Industrial Applications: Widely used in leather tanning, mining flotation, dyes, chemical intermediates, and wastewater treatment.

Flexible Packaging Options: Available in standard 25kg bags and 1000kg jumbo bags to suit different customer needs.

Certified Quality Assurance: Every batch tested by independent labs with CMA-certified reports confirming specs exceed national standards.

Customization Services: OEM and ODM services available with flexible customization from samples for specific requirements.

Competitive Pricing & Service: Offers competitive prices, reliable service, and fast delivery from major ports in China.

Long-term Partnership Benefits: Price protection discounts and complimentary hazardous chemicals management system for long-term partners.

Strict Quality Control: End-to-end control with 72-hour pre-shipment stability testing and full batch traceability.

Company profile

Importers and ExportersFast DeliveryLow MOQQuality Assurance

Dongying Zhongcheng Chemical Co., Ltd.

Shandong, China

CertifiedBusiness Type: Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Flexible customization CertifiedExport Year: 1 year CertifiedNearest Port: Qingdao PortAverage Response Time: ≤1.72h

AI-Powered supplier vetting

SummaryThe supplier demonstrates service availability, in-stock capacity, flexible sample-based customization, ODM and OEM service experience, and stated quality assurance with raw-material traceability. However, its service-management controls are incompletely documented, with procedures or supplier records lacking approvals, dates, or implementation records. Overseas support is limited: no overseas warehouse, showroom, agent, branch, or reported overseas-service countries, and no offline trade-show participation. Innovation and technical infrastructure appear limited, with one R&D engineer, no new products in the past year, no SDK, no R&D audit documentation, and zero quality-control test equipment reported. Production scale and customer-case evidence are insufficiently documented. Financial figures are excluded for privacy, but the supplied financial records contain zero entries across multiple periods, preventing a positive credibility assessment.

Supplier typeThe supplier appears to be a manufacturing and service provider offering in-stock supply, sample-based and flexible customization, ODM, and OEM services. It supports standard trade terms and identifies Qingdao Port as its nearest port, but reports no overseas warehouse, showroom, agent, branch, overseas-service country, or offline trade-show participation.

After-Sales capabilityThe supplier has an in-stock service capability and a complaint-handling procedure, but no written complaint records. Service-capability corrective and preventive action also lacks written records, while overseas after-sales coverage is limited by the absence of overseas warehouses, showrooms, agents, branches, and reported overseas-service countries.

Financial creditThe supplied financial records contain zero-reported values for revenue, costs, profit, margins, and current-ratio measures across the stated reporting periods. Because these entries do not demonstrate positive financial performance or liquidity, financial credibility is not positively supported; the zero entries constitute a material deficiency in the provided financial profile.

R&D capabilityThe supplier offers ODM and flexible customization, but reports only one R&D engineer, no new products during the past year, no available SDK, and no R&D design-input, output, review, verification, or validation documents for audit. This indicates limited documented innovation infrastructure despite some design-service capability.

Customization capabilityThe supplier explicitly provides customization from samples, flexible customization, ODM services, and OEM services for well-known brands. Its R&D engineer is responsible for providing samples according to customer requirements, directly supporting a positive customization assessment.

Client casesThe supplier states that it provides OEM services for well-known brands, which is evidence of at least one type of customer experience. However, no brand names, project details, references, or verifiable case documentation are provided, so the breadth and strength of customer cases remain limited.