What are the payment terms?

Payment terms include LC, T/T, Western Union, and small-amount payment options.

Does the company offer other water treatment chemicals?

Yes, we also manufacture Polyaluminium Chloride, Polyacrylamide, and Activated Carbon.

Green Vitriol

Name: High Quality Iron II Sulfate Heptahydrate /Ferrous Sulphate /Green Vitriol
Brand: Yantai Wenxu Industrial Co., Ltd.
SKU: 1981601145

Shandong, ChinaYantai Wenxu Industrial Co., Ltd.

US$48.00-90.00

10 Tons

Sample price:US$2.00/kg.Request sample

Product profile

Customization

Available

CAS No.

1305-62-0

Formula

Ca(Oh)2

Model NO.

ferrous sulphate

EINECS

215-137-3

Classification

Calcium Hydroxide

Appearance

White Powder

Grade Standard

Industrial Grade

Solubleness

Slightly Soluble Alkali

Ionization Capacity

Strong Alkali

Quality

Superior Grade

Usage

Industrial Alkali

Acid-Base Property

Acidic Surface Disposal Agent

Environmental Protection

Yes

Color

White

Type

Sewage Treatment Chemicals

Certification

ISO, SGS, COA, MSDS

Purity

90%~99%

Application

Water Treatment

Transport Package

25kg/50kg/1mt PP Bag, or as Your Requirement.

Specification

60X53X39 cm

Trademark

Origin

Shandong, China

HS Code

28332910

Production Capacity

50000 Tons/Year

Key features

High Purity Grade: Purity reaches 98.12% with Fe content of 20.01% and low impurities.

Versatile Applications: Used for water treatment, food fortification, concrete staining, and cement reduction.

Multiple Certifications: Certified by ISO, SGS, COA, and MSDS for quality assurance.

Rapid Delivery: Lead time within 15 workdays during both peak and off-peak seasons.

Global Export Experience: Exporting to 57 countries in Europe, Australia, America, and South Africa since 2015.

Convenient Logistics: Located near Qingdao, Tianjin, and Shanghai ports for efficient shipping.

Industrial Grade Quality: Superior grade suitable for industrial alkali and sewage treatment applications.

Comprehensive Product Range: Manufacturer of PAC, PAM, Activated Carbon, and various water treatment agents.

Company profile

Yantai Wenxu Industrial Co., Ltd.

Shandong, China

Business Type: Manufacturer/FactoryExport Year: 2015-10-01Nearest Port: Qingdao, Shanghai, NingboAverage Response Time: ≤8.20hTerms 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.