Why choose our company Handling And Storage Precautions for safe handling.Avoid contact with skin and eyes. Avoid formation of dust and aerosols. Avoid exposure - obtain special instructions before use.Provide appropriate exhaust ventilation at places where dust is formed.Conditions for safe storage, including any in cool place. Keep container tightly closed in a dry and well-ventilated place. Strict Quality Control of Production Each batch chemical offer factory COA according to our industry standard, or order standard.Each batch goods keep samples for double check.If you have any doubt about purity, welcome feedback to us, we will respond it within 24 hours. Quick Delivery We have mass production and stock & ready item, for these items, we offer 1 week quick delivery time. For big quantity and special requirement, we will try our best to arrange for you. After-Sales Service Upon receiving user's notification, we ensure respond within 24-hours.If you have any doubt about quality, we will cooperate with you to confirm the true quality;If thequality is not qualified, we will change the goods free of charge. FAQ Can I buy a sample for evaluation? Yes. There are no uniform standards for different products. Please consult thesalesman for details. 2. How do I pay? We accept Bank Transfer ,Western Union,Money Gram or Bitcoin 3. How much is the freight? Transport costs vary according to the mode of transport and the country. Shipping costs to western European countries are generally slightly higher than to the United States. Freight to Asia is slightly lower than to the United States. 4. What transportation options do I have? As we strive to provide value and flexibility to our customers, we offer different options to deliver your order. 1g-100kg, (EMS/UPS/FedEx) Over 100kg, air or sea. 5. How long is the lead time? Small orders will be shipped in 3 days and large orders in 7-10 days. 6.Is it safe to delivery? Yes,we guarantee 100% of your packages pass through the customs.We have shipping agents in these countries, Our customs clearance company will clear your parcel without any customs issues, even 1000 kg at times. Door to door service.Ensure you 100% receive your goods. Let you have a nice experience of our strong ability to ship goods.