from some online stores that sell ampoule products I have ever visited, there were only a few stores that provide an excellent service. in addition to their product quality. in fact, not only in quality products that are in need by consumers, but the service is excellent, will be very supportive terjualnya their products, especially if they sell online. Just imagine, if there is a prospective buyer contacted the online store, whether it be through email, chat, phone and others are not quick on the response by the online store owner, usually the prospective consumers will choose to leave the online store, and look for other online stores, which gives the owner a quick response.