Can I get a sample before placing a bulk order?

Yes, samples are available for customers to test and verify the product quality.

What are the main applications of this product?

It is used in food preservation, wastewater treatment, mineral processing, paper bleaching, and as a chemical additive in various industries.

Which ports are used for export?

We ship from Qingdao, Shanghai, and Ningbo ports to international markets.

Industrial Grade Sodium Metabisulphite 97% for Gold Mining (Bulk Supply, COC)

Name: Industrial Grade Sodium Metabisulphite 97% for Gold Mining (Bulk Supply, COC)
Brand: Yantai Wenxu Industrial Co., Ltd.
SKU: 1948753132

Shandong, ChinaYantai Wenxu Industrial Co., Ltd.

US$300.00-400.00

10 Tons

Sample price:US$1.00/kg.Request sample

Product profile

Customization

Available

CAS No.

7681-57-4, 7681-57-4

Formula

Na2s2o5, Na2s2o5

Model NO.

SMBS

EINECS

231-673-0

Certification

ISO

Purity

97.0%Min

Type

Sodium Metabisulfite

Appearance

Powder

Grade Standard

Industrial Grade

Certification

ISO

Type

Sodium Sulfate

Appearance

Powder

Einecs

231-673-0

Purity

96%-97%

Grade Standard

Industrial Grade, Food Grade

Other Name

Sodium Metabisulfite, Sodium Pyrosulfite, Smbs

Loading Quantity

20-28mts for 1*20'gp

Shelf Life

2 Years

Application

Food/Industry

Transport Package

25kg/ 50kg/ 1250kg/1300 Bags

Specification

Size Customized

Trademark

WENXU

Origin

Shandong, China

Production Capacity

5000tons Per Year

Key features

High Purity Grade: Available in Food Grade (96.5% min) and Industrial Grade (95% min) with ISO certification.

Versatile Applications: Widely used in food preservation, wastewater treatment, mining, and chemical synthesis.

Bulk Supply Capability: Capable of loading 20-28 metric tons per 20-foot container for large-scale orders.

Fast Lead Time: Average lead time within 15 workdays for both peak and off-peak seasons.

Flexible Payment Terms: Accepts LC, T/T, Western Union, and small-amount payment options.

Multiple Export Ports: Ships from Qingdao, Shanghai, and Ningbo ports to global destinations.

Comprehensive Documentation: Includes ISO, MSDS, and COA certificates for quality assurance and compliance.

Sample Availability: Samples are available for customers to verify product quality before bulk purchase.

Company profile

Yantai Wenxu Industrial Co., Ltd.

Shandong, China

Business Type: Manufacturer/FactoryExport Year: 2015-10-01Nearest Port: Qingdao, Shanghai, NingboAverage Response Time: ≤7.52hTerms of Payment: LC, T/T, Western Union, etc.International Commercial Terms(Incoterms): FOB, EXW, CFR, CIF, CPT

AI-Powered supplier vetting

SummaryYantai Wenxu is identified as a China-based manufacturer/factory established in 2003, with chemical production, research and development, and sales integrated within the business. Its stated product portfolio includes aluminum sulfate, alum, polyaluminium chloride, calcium hydroxide, water-treatment chemicals, and related products. Evidence indicates substantial production capacity, including stated annual output of 150,000 tons overall, 30,000 tons for aluminum sulfate-series products, and 20,000 tons each for polyaluminium chloride and calcium hydroxide. The supplier reports multiple ISO-related certifications, GMP, and environmental-management credentials, as well as relevant production and hygiene-license approvals. It has exported since 2015 and reports that exports account for 51%–70% of sales. Innovation and sustainability activities are described, but evidence for after-sales service, customization, financial credibility, and specific customer cases is insufficient.

Supplier typeThe supplier is explicitly classified as a Manufacturer/Factory and is described as an integrated chemical enterprise covering production, research and development, and sales. Its stated founding year is 2003, supporting an established operating history.

CertificationsThe supplier reports ISO 9000, ISO 14001, ISO 9001, ISO 14000, GMP, and ISO 14064 certifications, plus ISO 9000:2008 quality-management certification, a national industrial product production license, and a Shandong drinking-water sanitation safety product hygiene approval. These are explicit indicators of quality, environmental, manufacturing, and product-compliance systems.

R&D capabilityThe supplier describes technology development, innovative solutions, research and development integration, green-chemistry efforts, and sustainability-oriented environmental and safety management. It also reports 11–20 years of total R&D-engineer experience, providing explicit support for innovation capability, although no quantified R&D investment or independently verified innovation results are provided.

Production capacityThe supplier offers a broad chemical product range and reports annual output of 150,000 tons overall, including 30,000 tons for aluminum sulfate-series products and 20,000 tons each for polyaluminium chloride and calcium hydroxide. It also reports 6–10 quality-control staff and factory facilities in Yantai, supporting substantial production and quality-control capacity.