1. Product Quality Our QC team inspect every batch of product during every steps of production to assure its quality before delivery. 2. Service: 1. Online customer service: Customer can contact our sale staff for any questions about the product online, and will get replied in time. 2. Engineer analysis: Our engineers have more than 15 years experience in household chemical industry, and we also have a R&D department. 3. Sample : We provide proofing sample and product sample to customer for testing, customer just need to pay shipping fee.For custom-made samples, customer need to pay for the customizing fee and shipping cost, the customizing fee will be refunded after placing an order for it. 4. Customization: If customer have any needs of customization or OEM service, please contact our sale staff for more details. It would be easy to achieve like changing Logo, outlook, printing, language and so on. For ingredient change, please arrange a sample to us for reference.