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.
“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 3000+.
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®