Sodium Sulfite Anhydrous (Na2SO3) is a high-purity industrial-grade chemical widely . As a leading manufacturer, we provide stable quality with CAS No. 7757-83-7. Our sodium sulfite is characterized by its excellent solubility and high reduction potential.
Technical Specifications
| TEST ITEMS | Sodium Sulfite 96% | Sodium Sulfite 98% |
|---|---|---|
| Main Content (Na2SO3Na2SO3) | ≥96.0%≥96.0% | ≥98.0%≥98.0% |
| Sulfate (Na2SO4Na2SO4) | ≤2.50%≤2.50% | ≤1.50%≤1.50% |
| Chloride (ClCl) | ≤0.05%≤0.05% | ≤0.02%≤0.02% |
| Iron (FeFe) | ≤0.008%≤0.008% | ≤0.003%≤0.003% |
| Heavy Metal (as PbPb) | ≤0.001%≤0.001% | ≤0.0005%≤0.0005% |
| Arsenic (AsAs) | ≤0.0003%≤0.0003% | ≤0.0002%≤0.0002% |
Application
Packaging & Logistics
Packaging
- 25kg bags (PE/PP woven bags)
- 5kg / 10kg / 20kg bags available on request
- 1000kg / 1250kg jumbo bags (industrial bulk)
- OEM packaging supported (logo, design, private label)
Logistics
- Sea freight (FCL / LCL bulk orders)
- Air freight (small urgent orders)
- Land transport (regional delivery)
Our Company
Shandong Jiuchong Chemical Co.,Ltd.
Shandong Jiuchong Chemical Co.,Ltd. was located in Weifang City, Shandong Province, China. Since 2010, we have served 278 customers from 58 countries and regions, winning their trust in terms of price, product quality, and delivery time.
Our foreign trade team consists of over 20 people. Each salesperson has more than four years of sales and service experience. Every year, we organize training and team-building activities to enhance professional skills and a sense of belonging, and improve the quality of service for our employees. We help customers in China with one-stop purchasing and have established a good win-win cooperative relationship.
Why Choose Us
- Large Production Capacity
Annual capacity reaches 100,000–150,000 tons, supporting a stable bulk supply for key chemical products.
- Exported to 78 Countries Worldwide
We have supplied 489+ B2B buyers across 78 countries, with proven global shipping and trade experience.
- ISO Certified Quality Management System
Production follows ISO9001, ISO22000, and ISO45001 standards, with SGS and TUV testing for quality consistency.
- Professional Export Team Support
Our 20+ member foreign trade team ensures fast response, technical support, and full pre-sales and after-sales service.
FAQ
Q: Who are we?
A: We are based in Shandong, China, start from 2016,sell to Domestic Market
Q: How can we guarantee quality?
A: Always a pre-production sample before mass production
Q: Is it possible to customize our own packages?
A: Yes, of course. Usually MOQ for OEM packing is 200 metric tons for this product. We can also customize the shipping mark label for you.
Q: What's the delivery time?
A: Usually within15 working days within 50 tons.
1-5 tons also accepted, in 10 working days.
Q: How can I pay you?
We can receive your payment by T/T, LC etc.
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