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China Minsheng Drawin Technology Group
Address: No. 10, Zhong'shi Road, Kaifu District, Changsha City, Hunan Province 
Phone：0731-88605588
Mailbox：services@cmdrawin.com
Integrity supervision
In the business cooperation or work of Zhongyou Jianyou Technology Group, please contact the Audit and Supervision Department in time if you encounter or discover any irregularities such as asking for rebate and handling the tender and other irregularities. Please provide the appropriate information to facilitate processing as soon as possible.
1、Real name to report, please provide whistleblower real name, contact information, address and so on；
2、Report object；
3、The time of the incident, the location, the specific and so on；
4、Pictures, as other evidence。
(We will keep your personal information strictly confidential)
In the building of the Friends of Science and Technology Group Audit Department reported contact：
  • Mailbox
    jiancha@cmdrawin.com
  • Phone
    0731-88273805
  • Mobile phone
    13973178480 
  • Address
    Jinxia Development Zone, Kaifu District, Changsha City, Hunan Province 
Second company



浙江中民筑友科技有限公司


地址： 浙江省杭州市富阳区银湖街道富闲路9号创新中心6幢11层 

电话：0571-58972780      

邮编:311422



广东中民筑友科技有限公司


地址：广东省深圳市福田区侨香路3085号岭南大厦6楼

电话：0755-83391868

邮编: 518000




住优建筑科技（上海）有限公司


地址：上海市虹口区飞虹路528号

昆山市锦溪镇锦荣路177号

电话：025-65136021

邮编:200086



中民筑友科技（江苏）有限公司


地址：南京市江宁滨江开发区景明大街168号 

电话：025-69957624     

邮编:211161
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