Q1: Are you a manufacturer? Advanced R&D technology, 250,000 categories chemical reagent are in stock. Trading products we will serve for you with our ISO supplier system, which lower your purchasing risk to the maximum level extent. In addition, we provide the customization service of a new compound from lab to bulk manufacturing. Q2: How to contact with us? You can contact with us on Made-in-China, the Average Response Time is 0-4h on duty time, <24h on off-duty time. For each inquiry, our sales will provide the one-on-one service for you. Q3:Which kind of payment do you accept? T/T,Westunion,Bitcoin,D/P, L/C and etc. Q4:What is the MOQ? Yes,we can supply the free sample ,but the shipping cost be paid by customers Q5:How to confirm the Product Quality before placing orders? 1) You can get free samples for some products, just pay the basic cost for us. 2) Also you can send the specification or your request to us, we will customize the products for you. 3) We emphasis that our whole company makes a living with organic chemical and customers, Absolutely no any possibility to sale any fake goods, unqualified goods, it is a shame for us! And None False certificate/lie/illegal thing in our sales motto! Q6:How do you treat quality complaint? The customer complaint handling procedures is the key part in Our ISO management system. We will set up an investigation team for your complaint, and make the handling plan and our corrective and preventive measures within a limited time. Q7:Package We have standard package, or it can be customized as per your request. Q8:Shipping 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.