Magnesium sulfate, Magnesium Sulfate Heptahydrate,Magnesium Sulfate 4mm We can provide 5 kinds of Magnesium Sulphate Heptahydrate: 1. Pharmaceutical Grade Magnesium Sulphate Heptahydrate 2. Industrial Grade Magnesium Sulphate Heptahydrate 3. Agriculture Grade Magnesium Sulphate Heptahydrate 4. Bath Grade Magnesium Sulphate Heptahydrate 5. Food Grade Magnesium Sulphate Heptahydrate TEST ITEMS TEST STANDARD MgSO4 · 7H2O MgSO4 · H2O MgSO4 MAIN CONTENT ≥99.0% ≥99.0% ≥98.0% MAGNESIUM SULPHATE(MgSO4) ≥48.59% ≥86.00% ≥98.00% MAGNESIUM OXIDE(MgO) ≥16.24% ≥28.69% ≥32.66% MAGNESIUM(Mg) ≥9.80% ≥17.21% ≥19.6% FERRON(Fe) ≤0.0015% ≤0.0015% ≤0.0015% CHLORIDE(Cl) ≤0.014% ≤0.014% ≤0.014% HEAVY METAL(Pb) ≤0.0006% ≤0.0008% ≤0.0008% ARSENIC(As) ≤0.0002% ≤0.0002% ≤0.0002% Please feel free to contact us get the latest information : ) Product Parameters Company Profile Welcome to ChoiceChem Choice Chemicals Ltd. is a specialty chemicals company in the business of producing and marketing Sulfates, Nitrates, Additives and Pesticide with more than 20 years OEM production experience in China. We help improve quality of life for the world's population by supplying superior quality & environment friendly chemicals to satisfy the global demand for agriculture and industry. ChoiceChem's mission is to be the supplier of choice to its customers, to produce meaningful benefits for consumers, our market partner and our employees, create brighter lives for people today and generations to come. We mainly supply "ChoiceChem" brand Sodium metabisulphite, with an annual production capacity of 250,000 tons; as well as sodium bisulfite, sodium sulphite, sodium bicarbonate and magnesium sulphate, with production capacities of 40,000 tons each per year. In addition, the range of products is always expending according to customers' needs. ChoiceChem's large-scale production bring cost advantage, our price is lower 2% compared with market price usually, it also can make sure most common package cargo can be delivered within 14 days. All ChoiceChem products were ISO/SGS approved, with 0 quality complain in past 3 years; and each sales has worked in ChoiceChem for more than 5 years on average in our multilingual customer service team. In today's market, it's critical to have a reliable source of fairly priced, high-quality product. It's also important to have a partner who is there when you need for your growing business. With ChoiceChem, you can have both. FAQ Q: Why choose you-- CHOICE CHEMICALS LTD.? A : (1) Competitive price, Large-scale production bring cost advantage, our price is lower 2% compared with market price usually. (2) Professional Service, Multilingual Customer service team is available, each sales has worked in ChoiceChem for more than 3.5 years on average. (3) High-quality products, Reliable R&D team. All our products were ISO/SGS approved, and with 0 quality complain in past 3 years. Q: Do you have stock? A: 1) We sell good and always got orders in line before production, so we don't have stock, all produce are according to the customer's orders. 2) Our goods storage time is less than 3 days, to maintain the freshness of the goods. 3) Our output is 680MT/day, allowing most cargo orders to be delivered within 7-10 days. May I know when you need the cargo? Q: What's your annual output? A: (1) Our output is 680MT/day, allowing most cargo orders to be delivered within 7-10 days usually. (2) ChoiceChem average rate of on time deliveries has remained above 98.9% in the past 3 years. (3) We further promise that if delivery is not made in time, we will provide