In resent years ,as the lead ship of the line, we supply ODM,OEM, for our customer &related factory .Great Wall is always keep on the progress to satisfy our customer from all over the world .

• 近年来，长城集团更是加快了发展的步伐，权威地领路了技术，并为多家大型公司提供了ODM(委拖我方开发)、OEM(委拖我方生产)，在朝阳般的安防行业中，长城人昂首阔步，为实现全人类的安全需求而持续奋斗，开拓未来！