1. who are we? We are based in Guangdong, China, start from 2007,sell to Domestic Market(35.00%),Northern Europe(10.00%),North America(10.00%),Southeast Asia(10.00%),South Asia(10.00%),South America(10.00%),Western Europe(5.00%),Southern(35.00%), Europe(5.00%),Eastern Europe(5.00%). There are total about 10-20 people in our office. 2. how can we guarantee quality? Always a pre-production sample before mass production; Always final Inspection before shipment; 3. what can you buy from us? 3C consumer electronics,Professional production of PCBA,Product development customization,Mold opening manufacturing,Aromatherapy machine customization Products essential oils for sale, etc 4. why should you buy from us not from other suppliers? Shenzhen Konglong Digital Electronics Co., LTD., founded in 2007, is a research and development production enterprise, Shenzhen innovative enterprise, Has a strong product development team and professional electronic products OEM, ODM manufacturing plant. 5. what services can we provide? Accepted Delivery Terms: FOB,EXW,DDP,DDU; Accepted Payment Currency:USD,HKD,CNY; Accepted Payment Type: T/T,D/P D/A,MoneyGram,Credit Card,PayPal,Western Union; Language Spoken:English,Chinese