Haoyu New Energy Technology Co.,Ltd, It is a diversified company integrating production, R & D, design and sales, as well as a scientific and technological company dedicated to the research, development, production,sales and integration of Power tool battery, chargers and other products. We provide one-stop service from design, research, molding, production, assemble, testing and products solution from battery cell to finished products whole complete OEM and ODM. All products have passed CE, FCC, RoHS certification to satisfy customer's requirements. Our main products are various of Power tool battery. We warmly welcome OEM and ODM orders. We work hard to provide the best quality products and efficient after-sale service for our customers. We have good research, design, QC and production ability in the mobile battery field that we have been in the mobile phone battery industry ,We have advanced examining equipment and product technique and a perfect quality control system. We not only can offer products of our company, but also supply shortcut, and complete and individual design and service according to the demands of customers. We understand of customers' demand in this competitive market, So we put product's quality in the first place.In addition, we offer the best quality products and best price and best after-sales services and fast delivery time. We insist on the principle of 'Quality First, Reputation Supreme, Customer Foremost, and Service the Best'. We warmly welcome all domestic and overseas customers to contact us for mutual benefits and win-win cooperation.