About Kallay
DONGGUAN OVAEST TECHNOLOGY CO.,LTD (HONGKONG KNOPP CORE BATTERY TECNNOLOGY CO.,LTD ) established in 2009,specializes in a wide range of high-tech consumer electronics. Our Product portfolio includes mobile phone batteries (compatible with mainstream brands such as iPhone,Samsung,Huawei, Xiaomi,LG,Sony ,OPPO,VIVO,iPAD Batteries, and others kinds of mobile phone brand batteries,ect. In 2014, we launched our brand “KALLAY®” brand battery to provide customers with power charging solutions.
Our commitment to quality is evidenced by our ISO9001 Certification. We adhere to international standards,with our products receiving CE, FCC, ROHS,MSDS, UN38.3 and Battery materials quality reports ect certifications ,ensuring they meet the diverse and stringent requirements of our global clients.
We have very professional R&D Engineer and Quality Control teams are the top of battery industry. Also importantly, they engaged in battery industry more than 20 years experience. Furthermore, We can fast R & D latest model battery at every month.
“KALLAY®” mobile phone batteries are produced in accordance with original factory quality standards, and we utilized brand new A++Grade Lithium Battery cells material systems. We are professional mobile phone battery manufacturer and supplier in China, and our battery models currently include models 2000+.
We warmly welcome support wholesaler,retails customers, and also accept OEM,ODM Business.
We insist on the principle of 'Quality First, Reputation Supreme, Customer Foremost, and Service the Best. We warmly welcome all aldomestic and overseas customers to contact us for mutual benefits and win-win cooperation.---KALLAY®
