Who am INANJING DATANG CHEMICAL CO., LTD., which is registered under Chinese Company Law, is specialized in the production of arene sulfonic acid, phenol and their derivatives, and has been granted import and export license.2. Our BusinessWe are exporting arene sulfonic acid, phenol and their derivatives from China to oversea market...3. Why should You Deal With Us-We can provide flexible and thoughtful service for you.-Dealing with us, you can enjoy the one-step purchasing for chemicals of arene sulfonic acid, phenol and their derivatives.-We have unique quality control system to ensure constantly high quality products. -We will ensure that the products, packaging and transportation methods are tailored to meet your needs. 4. Our Main Trade TermsPayment Terms:-T/T in advance or L/C at sight.Production lead-time:-About three weeks after receiving your order