Laser Focus World is an industry bedrock—first published in 1965 and still going strong. We publish original articles about cutting-edge advances in lasers, optics, photonics, sensors, and quantum technologies, as well as test and measurement, and the shift currently underway to usher in the photonic integrated circuits, optical interconnects, and copackaged electronics and photonics to deliver the speed and efficiency essential for data centers of the future.

Our 80,000 qualified print subscribers—and 130,000 12-month engaged online audience—trust us to dive in and provide original journalism you won’t find elsewhere covering key emerging areas such as laser-driven inertial confinement fusion, lasers in space, integrated photonics, chipscale lasers, LiDAR, metasurfaces, high-energy laser weaponry, photonic crystals, and quantum computing/sensors/communications. We cover the innovations driving these markets.

Laser Focus World is part of Endeavor Business Media, a division of EndeavorB2B.

Laser Focus World Membership

Never miss any articles, videos, podcasts, or webinars by signing up for membership access to Laser Focus World online. You can manage your preferences all in one place—and provide our editorial team with your valued feedback.

Magazine Subscription

Can you subscribe to receive our print issue for free? Yes, you sure can!

Newsletter Subscription

Laser Focus World newsletter subscription is free to qualified professionals:

The Daily Beam

Showcases the newest content from Laser Focus World, including photonics- and optics-based applications, components, research, and trends. (Daily)

Product Watch

The latest in products within the photonics industry. (9x per year)

Bio & Life Sciences Product Watch

The latest in products within the biophotonics industry. (4x per year)

Laser Processing Product Watch

The latest in products within the laser processing industry. (3x per year)

Get Published!

If you’d like to write an article for us, reach out with a short pitch to Sally Cole Johnson: [email protected]. We love to hear from you.

Photonics Hot List

Laser Focus World produces a video newscast that gives a peek into what’s happening in the world of photonics.

Following the Photons: A Photonics Podcast

Following the Photons: A Photonics Podcast dives deep into the fascinating world of photonics. Our weekly episodes feature interviews and discussions with industry and research experts, providing valuable perspectives on the issues, technologies, and trends shaping the photonics community.

Editorial Advisory Board

  • Professor Andrea M. Armani, University of Southern California
  • Ruti Ben-Shlomi, Ph.D., LightSolver
  • James Butler, Ph.D., Hamamatsu
  • Natalie Fardian-Melamed, Ph.D., Columbia University
  • Justin Sigley, Ph.D., AmeriCOM
  • Professor Birgit Stiller, Max Planck Institute for the Science of Light, and Leibniz University of Hannover
  • Professor Stephen Sweeney, University of Glasgow
  • Mohan Wang, Ph.D., University of Oxford
  • Professor Xuchen Wang, Harbin Engineering University
  • Professor Stefan Witte, Delft University of Technology

PetroChina Filed Annual Report on Form 20-F

NEW YORK, NY / ACCESSWIRE / April 29, 2022 / PetroChina Company Limited ("PetroChina" or the "Company", (SEHK:0857)(NYSE: PTR)(SSE:601857) announced today that it has filed its annual report on Form 20-F for the fiscal year ended December 31, 2021with the United States Securities and Exchange Commission (the "SEC"), which includes its audited financial statements.

The report can be accessed through SEC's website www.sec.gov and the Company's website www.petrochina.com.cn. A soft copy of the report in pdf format is available for download through the Company's website. Upon request by a shareholder, the Company will deliver a hard copy of the report free of charge within a reasonable time.

To request a hard copy www.sec.gov of the annual report, please contact:

CONTACT:

BNY Mellon Shareowner Services
P.O. BOX 505000
Louisville, KY40233-5000
UNITED STATES

Overnight correspondence should be sent to:
BNY Mellon Shareowner Services
462 South 4th Street Suite 1600
Louisville, KY40202
UNITED STATES

Calling from within the US and Canada(toll-free): 1 888 269 2377
International call: 1-201-680-6825
Email:shrrelations@cpushareownerservices.com

Additional information on PetroChina is available at its website:
http://www.petrochina.com.cn

Related Links

http://www.petrochina.com.cn

Media archive at www.todayir.com

SOURCE: PetroChina Company Limited

PSI Software AG, Friday, April 29, 2022, Press release picture


View source version on accesswire.com:
https://www.accesswire.com/699592/PetroChina-Filed-Annual-Report-on-Form-20-F

Stock Quote API & Stock News API supplied by www.cloudquote.io
Quotes delayed at least 20 minutes.
By accessing this page, you agree to the following
Privacy Policy and Terms Of Service.