Core Viewpoint - The article announces the launch of a promotional event titled "You Order, We Pay" in collaboration with Shanghai Hegong Scientific Instrument Co., Ltd., offering free access to over 10,000 authorized petroleum and chemical standards during the event [1][3]. Group 1: Event Details - The "You Order, We Pay" event provides free access to both electronic and paper versions of petroleum and chemical standards, contingent upon meeting specific application criteria [3][4]. - Participants must be users from the petroleum and chemical industry, and applications will be reviewed within 24 hours, excluding holidays [5]. - Each individual or organization is limited to two free authorized copies of the standards, and the offer is subject to availability [5]. Group 2: Application Process - To participate, users need to find the relevant petroleum and chemical standards and click on "Get for Free" [6]. - After selecting the desired format (electronic or paper), users must fill out their personal information for the application [8]. - Once the application is submitted, users will await the review process to receive their authorized standards [10]. Group 3: Company Background - Shanghai Hegong Scientific Instrument Co., Ltd. was established in 2004 and is headquartered in Shanghai, focusing on scientific analysis instruments, laboratory testing, and online monitoring equipment for industrial processes [18]. - The company offers a range of products including Karl Fischer moisture analyzers, automatic potentiometric titrators, and online analysis instruments [18]. Group 4: Standard Library Information - The Instrument Information Network Standard Library, launched in October 2024, contains hundreds of thousands of standards across various fields, including food, environment, pharmaceuticals, and petroleum and chemicals [16]. - The library features a user-friendly query system for real-time standard updates and supports multi-device access for convenient standard information retrieval [16].