Yoku Energy (Zhangzhou) Co, Ltd. is a hi-technology company specializing in developing, manufacturing and marketing power lithium ion polymer batteries and power lithium ion cylindrical batteries. YOKU has employed more than 3000 staff members, with 100,000sqm manufacturing facilities. YOKU has two separate production systems: lithium ion polymer battery production system and lithium ion cylindrical battery production system. Our technology development is in the leading position in the industry. YOKU is armed with automated production equipment. The accumulation of years of industry experience has built a professional product engineering team, which can quickly develop all kinds of lithium ion batteries for electric bikes and supply complete electrical systems. Since our establishment, YOKU's business processes including R&D, manufacture and service have been in compliance with