How do you do quality control?

We have the most professional tech team and experienced workers, from material choosing, production process to final packing, all are under strict control to make sure you can sure you can get the qualified fiber products.

High Purity Ferrous Sulfate Crystal for Dietary Supplements

Name: High Purity Ferrous Sulfate Crystal for Dietary Supplements
Brand: JRS (Hangzhou) Performance Material Co., Ltd.
SKU: 2249717215

Zhejiang, ChinaJRS (Hangzhou) Performance Material Co., Ltd.

US$30.00-40.00

10 Tons

Sample price:US$1.00/kg.Request sample

Product profile

Customization

Available

CAS No.

7782-63-0

Formula

Feso4 7H2O

Model NO.

Ferrous Sulfate

EINECS

231-753-5

Certification

NSF Certification

Purity

≥99%

Type

Ferrous Sulfate

Appearance

Amorphous Powder or Granular Solid

Grade Standard

Industry/Fertilizer/Food/Feed Grade

Melting Point

64℃

Density

1.898

Chemical Category

Sulfate

Molecular Weight

278.05

Synonyms

Iron (II) Sulfate, Green Vitriol, Copperas

Sample

Free Sample

Delivery Time

14 Days From Received The Deposit

Grade

Imported

Application

Water Treatment, Soil Fertilizer

Transport Package

25kg/Bag, 50kg/Bag or Customized

Specification

Monohydrate/Heptahydrate

Trademark

JRS

Origin

China

Production Capacity

5000tons/Year

Key features

NSF Certification: Product holds NSF Certification ensuring safety for dietary and food use.

Free Sample Available: Small samples provided free of charge; customer covers shipping or provides courier account.

Customization Support: Flexible customization available; company discusses solutions with customers.

Strict Quality Control: Professional tech team controls material selection, production, and packing processes.

Versatile Applications: Used in water treatment, soil fertilizer, animal feed, agriculture, and paint pigments.

Fast Sample Preparation: Samples prepared within one week after specifications are agreed upon.

Flexible Packaging: Custom packing marks available; options include 1MT/pallet or 20-24MT/FCL.

Company profile

Importers and Exporters

JRS (Hangzhou) Performance Material Co., Ltd.

Zhejiang, China

Business Type: Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Flexible customization, etc. CertifiedExport Year: 1 Year CertifiedNearest Port: Shanghai PortAverage Response Time: ≤3.16h

AI-Powered supplier vetting

SummaryJRS (Hangzhou) Performance Material Co., Ltd. is a China-based trading company established in 2024 with four employees and a valid import/export license. Its stated business scope covers building materials, composite materials, insulation materials, household goods, hardware, ceramics, sanitary ware, and related products. The supplier reports ISO 9001 certification and an active TUV Rheinland audit record, but the available information does not specify the ISO certificate scope or provide a positive audit evaluation result. It offers sample-based, minor, and flexible customization, while R&D resources are limited to one engineer, with no new products launched in the previous year and no available SDK. The supplier states that it supports problem resolution and has long-term cooperation with famous companies, but no customer names or verifiable case details are provided. Production capacity, raw-material traceability, and financial strength cannot be conclusively assessed from the available evidence.

Supplier typeThe supplier is identified as a limited company and trading company, not part of a larger company group, with four employees and a Zhejiang, China operating address. Its stated scope is primarily sales, distribution, and technology-related services across building materials, composite materials, household goods, and other products, indicating a trading-oriented business model rather than an explicitly documented manufacturing operation.

After-Sales capabilityThe supplier explicitly states that customers can contact it when problems arise and that it will provide a solution and assistance. This supports the existence of a stated response commitment, but no evidence is provided regarding service procedures, response times, staffing, warranty terms, or documented after-sales performance.

R&D capabilityThe supplier has one R&D engineer and reports one year of total R&D-engineer experience, no new products launched in the previous year, and no available SDK. It does state that it conducts new-material technology research and development in its business scope, but the limited team and lack of recent product launches provide insufficient evidence of strong innovation capability.

Customization capabilityThe supplier explicitly reports customization from samples, minor customization, and flexible customization. These stated service categories demonstrate some customization capability, although the scope, technical resources, tooling, and delivery limitations are not specified.

Product Q&A

Q:How can I get a sample?

Normally small samples can be sent free of charge and customers just need to bear the shipping charge, or you can provide your DHL, FEDEX, EMS, UPS courier account number to us. For bigger sizes, it depends.

Q:Can your company customize products?

Yes, We usually discuss with customers and help them find solutions.

Q:How long does the sample take you to check quality?

Usually a sample will be prepared within one week after the specification is agreed.

Q:What about your delivery time? Can we receive our goods on time?

Usually around 2-3 weeks after the order is confirmed. The exact delivery time depends on order quantity and Off-season/ busy season.

Q:What are your terms of payment?

Usually we do FOB, CIF, CFR, and DDU.