1. Professional Engineers----"Give Us Size, Give You products". Engineers here with rich experience. Our engineers have dealed with this line for more than 15 years 2. Sale & Service Team-----24 Hours Online, Best service here for you anytime. Any question, please free contact us. 3. Factory & Warehouse----Focus On Quality Assurance.Keep The Enough Stock. 4. Shipping---Most of our prouducts have in stock, we can ship out your order in the shortest time 5. About the Quality---- We can offer the material report and test report. If the product was broken in quality guarantee period, we can ship new one to you.