Esmart technology company was established in 2009 June, a professional, high-tech, ISO9001: 2008 and ISO14001: 2004 certificated enterprises. We are engaged in capacitive touch panel research and development, production and sales.

Anhui Liteduro Technology Co., Ltd. is a professional designer and manufacturer of Bicycle Frame/Fork in China on OEM and ODM basis for many years. We offer custom bicycle frame and forks according to customer's requirements. Our company operate under ISO9000 quality system, and have passed critical inspection rules of environmental proctional under government every year. We have five production lines with TIG welding and Smooth Welding technology, in-house T4/T6 Heat Treatment Ovens, In-House Painting Line. We have own testing laboratory for fatigue, pull and other tests under ISO4210 quality standard.

Shenzhen UPSEN Electronic Co., Ltd. is a subsidiary corporation of UPSEN Holdings Co., Ltd., which is established in 2002 with the mission to accelerate the transition and development of new energy, and build a new energy world. We are a private high-tech enterprise integrating researching & development, production & operation and technical services as a whole, which is specialized in Electric, Electronic and Energy fields for a long time. Our main products are UPS Power, Inverter Power, Battery Power, Solar&Wind Power. We are dedicated to offer quality power and power solution for Data-center, Telecom, Bank, Hospital, Transportation, Industry, A-rmy, Security, and civil & office area etc. Moreover, we have mastered the core technology of power products through our independent research, we are one of few domestic enterprises which can meet the customers' customized requirements, and provide professional power solutions.

Yueqing Leyu Electric Automation Co., Ltd. Specializes in new product design, sale, and technical service of switching power supply. We own CE RoHS CCC ISO9001 Certification.

Jiangsu Elemac Energy Co., Ltd Provides latest technology and comprehensive solutions in solar PV industry which includes solar PV panels, solar On/Off-Grid systems, solar energy storage system, battery pack, solar pumps and solar home appliances etc. We have been successully marketing our products to more than 100 countries particularly in Asia, Europe, Africa, Oceanic and N orth America and so on.