7 unchanged sentences
Administration, sales, manufacturing, research and development
−Removed: Duluth, Georgia
−Removed: December 31, 2022 (2)
−Removed: Research and development
Ningbo, China
4 unchanged sentences
We manufacture laser chips (utilizing our MBE and MOCVD process), subassemblies and components in our Sugar Land, Texas facility. 
−Removed: The lease covering the Georgia office commenced on December 1, 2015 and expires on December 31, 2022.
In our China facility, we manufacture certain more labor intensive components and optical equipment systems, such as optical subassemblies and transceivers for the internet data center market, CATV transmitters (at the headend) and CATV outdoor equipment (at the node).
3 unchanged sentences
Our China subsidiary also obtained from the Chinese government the land use rights to a second real property located within a close proximity to our current facility.
−Removed: We have begun construction on a new manufacturing facility on the second real property.
+Added: As of December 31, 2020 we have completed construction of our new manufacturing facility on the second real property.
The land use rights for the second real property expire on December 28, 2067.
1 unchanged sentence
In addition, in our Taiwan location, we manufacture transceivers for the internet data center market, telecom, FTTH and other markets.
−Removed: Our Taiwan subsidiary relocated its entire operation to this facility in November 2014.
−Removed: The lease covering the new facility commenced on June 1, 2014 and expires on May 31, 2029.
+Added: The lease covering the Taiwan facility commenced on June 1, 2014 and expires on May 31, 2029.
Compared sentence by sentence after normalising whitespace, quotation marks, case and digits, so re-formatting and restated figures do not read as changed language. Wording changes appear as one removal and one addition. The current filing and the prior one are authoritative.