Established in 2015, Dongguan Chengliang Technology Co.,Ltd is specialized in research, development and production of swiching power supply, waterproof power supply and industrial power supply, we have extensive options for your selection, power from 200W to 2000W, output voltage from 12V to 120V.We always pursue the principle of Customers first, Quality fist. Since we are professional manufacturer, our price, quality and production leadtime are advantages, most of models have lots of stock, delivery leadtime can be shorten. To ensure excellent quality, we have set up QC system to make sure every product is strictly tested, from raw materials , circuit board to finished goods, any defective items must be picked out and disposed.Once your order is placed, we support online visit service, you can check production status online if you are foreign customers who can't come to our factory for onsite visit. We will try our best to provide high quality product with lower price.