Shenzhen Rich Haoyuan Energy Technology Co., Ltd is a professional manufacturer of power tool battery in Shenzhen and branch in Hongkong. We have dedicated in this field about 5years, R&D enginners about 50people.We have a strict system with Research& Development, sales and service after-sales service.We have been authorized the standards such as CE, UL and RoHS, SGS, REACH.We export our products to Europe, America, etc. We obtain very good comment from our customers. Nowdays we have worldside distributores more than 30contries. They are very happy to join us to grow and succeed together.We are engaged in OEM and ODM of batteries for Power Tools of Dewalt, Makita, Milwaukee, Bosh and Vacuum Cleaner with good quality and Excellent Service.Every year we take part in more than 10 glolable exhibtions,it attracts lots of clients come to visit.We are looking forward to even greater cooperation with our valuable customers.Welcome to visit our factory.