Our factory Shenzhen CBT Enterprise Co., Ltd is a professional Laptop battery manufacturer, dedicated to producing high and stable quality laptop batteries and netbook batteries. Possessing an independent R&D group, advanced manufacturing factory, professional sales team and aftersales service group, our company is a full-service vendor with complete development, production, sales and services. For years of manufacturing laptop batteries, Our company has been grown up to be a manufacturer specializing in laptop batteries and netbook batteries. CBT keeps focus on new products development. Molding Dept. has milling machine, drill press,CNC. And we have an Injection Dept. with monthly capacity of 100,000 plastic cases.  R&D Dept. designs PCB with TI chips or our own chips and programme PCM.