The Shenzhen Lucas Electronic ----One of the best suppliers in aliexpress 1. We do every trade with honesty. All the products we provide are in high quality with low price. 2. All the prices marked in our shop are wholesale prices and don't include tax or transportation expenses. Prices of samples or small amount of products are in high volatility sometimes. Different suffixes, packages or brands of IC are in different prices. Contact us if you are in doubt. 3．If you have a large amount of orders,Please contact us to negotiate the price 4.After receipt of the goods,If it is our mistake,We will correct our mistakes,Please contact us before submit disputes.