2、企业具有独立法人，注册资金300万元以上，年工程量300万元以上。

3、企业具有国家一级设计师2名以上，gaoji技师3人以上，中级技师5人以上，在册技术工人20人以上。

4、企业自有工程施工及检测设备。

5、2年内无安全事故企业。

6、具有专业安全消防资质的技术人员1名。

7、企业应具有售后服务、系统维护的专业队伍。

三级企业

1、具有5年以上的设计施工经历，近5年来承担过1个以上的大型设计制作项

enterprise has an independent legal person, with a registered capital of more than 3 million yuan and an annual engineering quantity of more than 3 million yuan.3. The enterprise has more than 2 national first-class designers, more than 3 senior technicians, more than 5 intermediate technicians, and more than 20 registered technical workers.4, the enterprise's own engineering construction and testing equipment.5. No safety accident of enterprises within 2 years.6.1 technical personnel with professional safety and fire control qualification.7. The enterprise shall have a professional team of after-sales service and system maintenance.1. Have more than 5 years of design and construction experience, and have undertaken more than 1 large-scale design and production project in the past 5 years