Laoling Boyu BuildingHardware Co., Ltd. is a veteran enterprise intergrating R&D,production and systematic sales. Since her foundation,"BO YU" takesmodern management idea and scientific management idea andscientific management system,and combines home and abroad advancedtechnology and process as well as own advantages,always insists"customer demand" as guidance,survives by "Quality",relies on"Scientific and Technological Progress" getting rapiddevelopment,and finally forms standard production. Â