The 49th 1857 Working Group Meetings Notice

The 49th 1857 working group meetings will be held from March 15th -18th, 2023, in Yangguang Haosheng Hotel, Ningbo, China.

The meeting schedule is as below, using UTC/GMT +8.00, Beijing Time:

MeetingDate/TimeConvenerMeeting Room
P1857.11 Subgroup MeetingMar. 15 09:00am-12:00pmDong Liu Confirmation e-mail
1857 WG Plenary Session Mar. 18 16:00pm-17:00pmSiwei Ma: Confirmation e-mail

PS: The plenary meeting is open to everyone, while subgroup meetings are internal members only.

Please registration before Mar. 14th, 2023 from here. The agenda will be sent to registered e-mail 5 days before the meeting.

Click here to see and download the Patent Policy of the committee.

Click here to see and download the Copyright Policy of the committee.

Click here to see and download the Individual Participant Behavior.

Below is the conference hotel reservation link:

For hotel booking assistance, please contact us.

If you have any question or need any help, please contact with the person below,


Ms. Xiaoxu LUAN


MP: +86 18098958990

Tel: +86 755 85092273

Address: No.2 Xingke One Street, Nanshan, Shenzhen, China

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