First of all, our quality control will ensure the product quality in advance. If there is a real quality problem caused by us, we will send you free goods for replacement or refund your loss Depending on your location, For small order, please expect 5-7 days by UPS,TNT, EMS. For mass order, please allow 5-8 days by Air, 20-35 days by Sea. We have R&D and manufactured chemicals for 6 years, we have rich experience on Shipping, Many famous companies cooperated with us stably, we are good at shipping all kinds of chemical products. We have standard package, or it can be customized as per your request.