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Zinc Sulfate
Zinc Sulfate Heptahydrate (ZnSO4·7H2O) is supplied by Shijiazhuang Kunmai Chemical Technology Co., Ltd. The product is offered with a minimum purity of 98 % and is presented as colourless prismatic crystals or white powder. It is packed in either 25 kg woven bags or jumbo sacks, enabling bulk handling for industrial customers. The supplier lists the material as suitable for a range of formulations.
The heptahydrate form is the standard industrial grade used in agriculture, water treatment and textile processing. Typical industry specifications call for a purity of 95‑99 % and a solubility of about 32 g per 100 mL of water at 20 °C, which matches the supplied product. The material’s bulk density is roughly 2.2 g cm‑3, a common value for crystalline zinc sulfate. These characteristics allow easy dissolution and consistent dosing in manufacturing batches.
Buyers such as fertilizer manufacturers, water‑treatment plants and textile dye houses commonly source this chemical. Trade terms can include L/C or T/T payment and the supplier indicates flexibility on minimum order quantities, though exact figures should be confirmed directly. Documentation such as ISO or SGS certificates is offered upon request. Shipping is handled from the Hebei province facilities to global ports, with the supplier coordinating logistics according to the buyer’s Incoterm preference.
| Chemical name | Zinc Sulfate Heptahydrate |
| Chemical formula | ZnSO4·7H2O |
| Purity | ≥ 98 % |
| Packaging | 25 kg woven bag or jumbo sack |
| Standard grade | Technical grade, typical for industrial use |
| Solubility in water (20 °C) | typical 32 g per 100 mL |
| Bulk density | typical 2.2 g cm‑3 |
| Recommended storage temperature | typical < 30 °C, dry environment |
| pH of 1 % aqueous solution | typical 4.5‑5.0 |
| Safety classification | typical hazardous material, UN 1824 |
Shijiazhuang Kunmai Chemical Technology Co., Ltd. is located in the Shijiazhuang High‑Tech Zone, Hebei Province, China (postal code 050035). The company is listed with a harbor trust tier on the platform, indicating a verified status for chemical trade. Its profile shows no recorded response activity, suggesting that inquiries should be followed up promptly to confirm availability.
The supplier’s product catalogue includes inorganic chemicals such as zinc sulfate, targeting industries that require reliable raw material supplies. While the listing does not disclose production capacity or employee numbers, the company states that it can arrange global export logistics from its Hebei facilities. Prospective buyers should request specific certification copies and confirm packaging options directly with the supplier.
EximNext supplies high-quality Zinc Sulfate in heptahydrate form, typically 98%+ purity, widely used in agriculture as a micronutrient fertilizer, in water treatment as a flocculant, and in the textile industry as a mordant. This colorless crystalline compound is also essential in animal feed formulations and various chemical synthesis processes. Available in 25kg bags or jumbo sacks with reliable global export logistics.
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Sourcing Zinc Sulfate from Shijiazhuang Kunmai Chemical Technology Co., Ltd. - China Import Guide
Before placing an order, confirm that Shijiazhuang Kunmai Chemical Technology Co., Ltd. holds an active harbor trust tier and that its business licence is current. Request the latest analysis certificate and any ISO or SGS documentation to verify the ≥ 98 % purity claim. Verify the exact packaging dimensions of the 25 kg bags or jumbo sacks to ensure they meet your warehouse handling requirements.
Discuss logistics early by asking for the expected lead time from the Hebei production site to your destination port. Clarify which Incoterms the supplier can accommodate, such as FOB, CIF or EXW, and align them with your freight forwarder’s preferences. Payment methods commonly include L/C or T/T; ensure that the terms are documented in the contract to avoid delays.
Arrange a third‑party inspection before shipment to verify purity, moisture content and packaging integrity. Request a pre‑shipment sample and a detailed test report conforming to ISO 9001 or relevant industry standards. Ensure that the supplier provides a full material safety data sheet, certificate of analysis and packing list, which are essential for customs clearance and downstream quality control.
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30 suppliersBuy Zinc Sulfate in Bulk — Supplier in China
When sourcing Zinc Sulfate for your business, securing the right balance of quality and cost is essential. Shijiazhuang Kunmai Chemical Technology Co., Ltd., a supplier based in China, offers this product with key specifications including Industrial / Agricultural / Feed Grade, 98% - 99% min (ZnSO4·7H2O), and Colorless Prismatic Crystals / White Powder. By purchasing directly from the manufacturer or authorized exporter, buyers can negotiate favorable FOB prices starting at $300 – $500 / MT and manage bulk orders with a minimum order quantity (MOQ) of 1 Bags. This product is actively traded under HS Code 2833.29, making it a staple in the Chemicals & Allied Products sector with strong demand from importing countries worldwide.
Zinc Sulfate Specifications, Trade Terms & Pricing
Importing Zinc Sulfate requires careful attention to shipping logistics, customs compliance, and secure payment terms. Shijiazhuang Kunmai Chemical Technology Co., Ltd. offers flexible shipping options such as Full Container Load (FCL) or Less than Container Load (LCL) via sea freight. To ensure a smooth transaction, buyers should verify import duties for HS Code 2833.29 in their destination country. Common payment methods for international B2B transactions include Letter of Credit (L/C), Telegraphic Transfer (T/T), and Documents against Payment (D/P). All transactions and RFQs are facilitated through EximNext, a leading import export marketplace designed to make cross-border trade secure and efficient.
About Shijiazhuang Kunmai Chemical Technology Co., Ltd. — Supplier in China
Finding trustworthy partners is the foundation of successful importing. Ask the supplier of this Zinc Sulfate for business registration and quality documents before ordering. Whether you are a distributor, wholesaler, or procurement manager, you can request a free quotation, ask for product samples, and finalize your bulk purchase with confidence. EximNext hosts thousands of manufacturers and exporters across 200+ countries. Explore similar products in the Chemicals & Allied Products category and connect with top-tier exporters on our comprehensive online B2B marketplace. Start your sourcing journey today.
Import Zinc Sulfate — Shipping, Logistics & Customs
Importing Zinc Sulfate requires careful attention to shipping logistics, customs compliance, and secure payment terms. Common shipping options include Full Container Load (FCL) or Less than Container Load (LCL) via sea freight. Buyers should verify import duties for HS Code 2833.29 in their destination country. Common payment methods include Letter of Credit (L/C), Telegraphic Transfer (T/T), and Documents against Payment (D/P).
Frequently Asked Questions About Zinc Sulfate
What is the wholesale price of Zinc Sulfate?
The current listed wholesale price for Zinc Sulfate from Shijiazhuang Kunmai Chemical Technology Co., Ltd. is $300 – $500 / MT on FOB terms from China. Prices may vary depending on order volume, packaging, and destination. For the most accurate bulk quote, send a direct RFQ to Shijiazhuang Kunmai Chemical Technology Co., Ltd. through EximNext.
What is the Minimum Order Quantity (MOQ) for Zinc Sulfate?
The supplier, Shijiazhuang Kunmai Chemical Technology Co., Ltd., has set a Minimum Order Quantity (MOQ) of 1 Bags for Zinc Sulfate. For sample requests or smaller trial orders, contact the supplier directly through our platform's inquiry system.
What is the HS Code for Zinc Sulfate?
For international shipping and customs clearance, Zinc Sulfate is classified under HS Code 2833.29. Buyers should verify their local customs regulations to determine applicable import duties and taxes for this classification.
How can I import Zinc Sulfate from China?
To import Zinc Sulfate from China, negotiate shipping terms (FOB, CIF, or EXW) directly with Shijiazhuang Kunmai Chemical Technology Co., Ltd.. Ensure you have the necessary import licenses for Chemicals & Allied Products products in your destination country.
How can I check Shijiazhuang Kunmai Chemical Technology Co., Ltd. before ordering?
Open the Shijiazhuang Kunmai Chemical Technology Co., Ltd. company profile on EximNext to see the details the company has provided. Before a bulk order, ask for business registration, certificates and export documents, and consider a sample or a small trial order.
What are the key specifications of Zinc Sulfate?
The key specifications for Zinc Sulfate supplied by Shijiazhuang Kunmai Chemical Technology Co., Ltd. include Industrial / Agricultural / Feed Grade, 98% - 99% min (ZnSO4·7H2O), and Colorless Prismatic Crystals / White Powder. For a complete technical data sheet or Certificate of Analysis (COA), send an inquiry directly to the supplier through EximNext.
What packaging options are available for bulk orders of Zinc Sulfate?
Shijiazhuang Kunmai Chemical Technology Co., Ltd. offers Zinc Sulfate with standard export packaging. Custom packaging, private labeling, and OEM/ODM options may also be available for large wholesale orders.
Which countries import Zinc Sulfate the most?
Zinc Sulfate is actively imported by buyers worldwide. Request a destination-specific CIF or CFR quote from Shijiazhuang Kunmai Chemical Technology Co., Ltd. through our platform.
What certifications does this Zinc Sulfate supplier hold?
Shijiazhuang Kunmai Chemical Technology Co., Ltd. maintains international quality certifications. These ensure that the Zinc Sulfate meets international quality, safety, and regulatory standards required for cross-border trade.
How do I place a bulk order for Zinc Sulfate on EximNext?
Click "Request Quotation" on this product page, specify your required quantity, preferred shipping terms, and destination country. Shijiazhuang Kunmai Chemical Technology Co., Ltd. will respond with a detailed wholesale quote including FOB pricing, lead time, and payment options.
What payment methods are accepted?
Common payment methods include Letter of Credit (L/C), Telegraphic Transfer (T/T), Documents against Payment (D/P), and Escrow services. Confirm accepted terms directly with Shijiazhuang Kunmai Chemical Technology Co., Ltd..
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