Changsha J-King Electronic Science & Technology Co., Ltd. specialize in designing and manufacturing car parking lock, car parking system, and other security protection products such as rolling doors, automatic garage doors and industrial doors with advanced large-scale production lines and a strong research and development team, was established in 2003 We only offer the most dependable and up-to-date quality remote control car parking locks with high technology content.CORE COMPETITIVE FORCES: Recharge period one year, parking locks of other companies is three month! As always, our products are backed by experts with professional experience. Combined with J-King's outstanding product quality and durability, we have solidified our perfect reputation as one of the best manufacturers of rolling doors and garage doors in China. We have the expertise to fulfill all your requirements and are committed to total domestic and overseas customer satisfaction