hosowell has 5000 square meters workshop with more than 200 workers, inner the workshop, we have various devices such as : welding machine, smt machine, aging machines, testing devices, plastic injection machine, mould machines such as latche, grinding machine. all the workers are trained before geting down to work. and our battery and ac adapter are tested serval times from raw material to semi-products to finshed products. our anual production output is 100,000 pcs per month. and can meet your growing need. we use lg cells and moni cells, and can do according to your preference! the cells are sorted strictly as per the inner resistance, and before resembely , all cells are charge and discharge thoughly. and after the finished batetry, we charge and discharge again. hope we will try our best to satisfy you!