What is the minimum order quantity?

The minimum order quantity is 1 kg.

Is customization available?

Yes, we offer customization from samples, designs, and flexible minor customization.

Professional Grade Sodium Sulfide for Paper Making: Enhance Strength and Whiteness

Name: Professional Grade Sodium Sulfide for Paper Making: Enhance Strength and Whiteness
Brand: Gansu Jinshi Chemical Co., Ltd.
SKU: 2177636255

Gansu, ChinaGansu Jinshi Chemical Co., Ltd.

US$300.00-400.00

1 Ton

Sample price:US$1.00/kg.Request sample

Product profile

Customization

Available

CAS No.

1313-82-2

Formula

Na2s

EINECS

215-211-5

Appearance

Flake

Certification

CCIC, CIQ, RoHS, ISO

Purity

50%~80%

Type

Sodium Sulfide

Grade Standard

Industrial Grade

Sample

Free

Reach

Available

Color

Yellow

Fe

10/15/20/30/80/300

Transport Package

25kg Bag

Specification

60%

Trademark

JINSHI

Origin

Gansu

HS Code

2830101000

Production Capacity

30000 Per Year

Key features

Industrial Grade Purity: Available in 50%~80% purity with options for 1500ppm to 30ppm iron content.

Multi-Industry Application: Essential for paper making, tanning, textile, dyestuff, and rubber industries.

Flexible Customization: Supports customization from samples, designs, and minor adjustments.

Strict Quality Control: 100% finished product inspection with ISO9001 and ISO14001 certifications.

Fast Delivery: Shipment arranged within 10-15 days for both peak and off-season.

Low MOQ: Minimum Order Quantity starts from just 1 kg for flexible purchasing.

Eco-Friendly Production: Zero emission manufacturing using chromium salt waste residue recycling.

Free Sample Available: Free samples provided for quality verification before bulk orders.

Company profile

Importers and ExportersHigh Repeat Buyers ChoiceCooperated with Fortune 500Years of Export Experience

Gansu Jinshi Chemical Co., Ltd.

Gansu, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 19 Years CertifiedNearest Port: Tianjin Port; Qingdao Port;Average Response Time: ≤18h

AI-Powered supplier vetting

SummaryThe supplier is identified as a manufacturing factory with business activities covering pigment manufacturing and sales, chemical products, technical services, parts processing, metal-related manufacturing, and goods import/export. It holds ISO9001:2015, ISO45001:2018, ISO14001, and ISO50001 certifications. Service processes for supplier assessment, corrective and preventive actions, and customer complaints are documented and followed, while stated lead times are within 15 working days in both peak and off-season. The supplier offers ODM and multiple customization modes but does not provide 3D software design, has no new products reported in the past year, and has one R&D engineer. It has inventory capability and has collaborated with Fortune 500 companies, but lacks overseas agents or branches, overseas warehousing, and overseas showrooms. Manufacturing capacity is weakened by the absence of a valid contract with affiliated subcontractors. Financial credibility cannot be determined from the provided...

Supplier typeThe supplier is explicitly identified as a factory, with business scopes including manufacturing, pigment manufacturing and sales, chemical products, parts processing, metal materials, technical services, and import/export activities. This supports classification as a diversified manufacturing supplier.

CertificationsThe supplier reports holding ISO9001:2015, ISO45001:2018, ISO14001, and ISO50001 certificates. These stated management-system certifications provide explicit evidence of formal quality, occupational safety, environmental, and energy-management systems.

After-Sales capabilityThe supplier has clear procedures and followed records for corrective and preventive actions and customer complaints, and its service assessment procedure is also documented and implemented. It can quote under FOB, CIF, CFR, and EXW terms and reports lead times within 15 working days in both peak and off-season, but it has no overseas agents or branches and offers services in zero stated countries.

R&D capabilityThe supplier provides ODM services and reports one R&D engineer, but it had no new products in the past year, has no available SDK, and does not provide 3D software design services. The evidence indicates some R&D-related service capability but limited demonstrated recent innovation output.

Production capacityThe supplier is a manufacturing factory with stated pigment, parts, metal-material, and related production activities, and it reports inventory capability and quality assurance in quality-control processes. However, it explicitly lacks a valid contract between the factory and affiliated subcontractors, creating a documented weakness in manufacturing-capacity governance.

Customization capabilityThe supplier explicitly offers customization from samples, designs, full customization, minor customization, flexible customization, and ODM services. This demonstrates broad customization coverage, although the supplier does not provide 3D software design services.

Client casesThe supplier reports collaboration with Fortune 500 companies and a repeat-buyer preference rate of 80%~100%. These statements provide explicit evidence of notable customer experience and repeat-business performance, although no customer names or project details are supplied.