HYB specializing in Li- Ion rechargeable cell, Including the Prismatic, Cylindrical, Polymer cell, And the power tool cell, High capacity cell. We have got the certificate of UL/ UN/ ROHS/ REACH/ ISO. We focus more on the quality than the low price. Also, Most of our leaders are chineses with foreign nationalities. You can feel free to choose HYB as your supplier. We will provide you the best price. Your comments on product or any information on your market demand will be really appreciated. BR Nikita