Win-Hsin International Ltd. was established in 2003. We are a high-tech producing enterprise which is professional in developing, producing and selling laptop batteries and adapters. Within these years' efforts, our factory has expanded production capacity and has the initial scale. We have trained a group of high-quality and professional R&D engineers, technicians and managers. We also own the most advanced producing and testing equipment. Win-Hsin always dedicates to offering high & stable quality products and services. All of our laptop batteries are made by A-grade Japanese cells, Korea cells, BAK and Cham cells, so we can make sure the quality of our products. Meanwhile, we are also providing good and reliable pre-sale, on-sale and after-sale services. Our R&D is the most advanced, and we are the leading factory on technology of laptop batteries. Until now, we have developed nearly 400 models of laptop batteries, and also have more than 100 models be in developing. Every month, we will present 10-20 models of new and best-selling products to satisfy the requirements of different markets. We are the first factory which developed the replacement laptop battery for Sony SZ and CR series. We also can provide OEM and ODM services. We will develop, produce and sell laptop battery PCB boards and cases. We have provided good quality, reliable and competitive design programs for more than 100 clients from worldwide. To choose Win-Hsin International Ltd. is to choose the high quality and cost effective products. Choose Win-Hsin International Ltd., you will go ahead of the profession with us. If you have any inquiry, welcome to contact us.