Last updated: 10 September 2026
Longchang Chemical
Company publisher: Shandong Longchang Chemical Co., Ltd.
Longchang Chemical publishes information about chemical substances, ingredient specifications, industrial applications and technical procurement on longchangextracts.com. Articles carrying the Longchang Chemical byline are published under the company’s responsibility.
What the company byline means
The byline identifies the organization responsible for publishing the article. It does not identify a particular researcher or certify medical review. Cited research belongs to the authors and institutions identified in the source. Information about our company is available on the About Longchang Chemical page.
Editorial standards
Our Editorial Policy describes the standards for sources, review, original contribution, sponsorship, updates and corrections. An article should identify specific supporting sources and the limits of the evidence. Individually named contributors and reviewers should be listed only when their identity, role and relevant background can be accurately provided.
Read company-published articles
Browse articles published under the Longchang Chemical byline, or explore the Blog.
Contact the publisher
For source questions, correction requests or editorial correspondence, email info@longchangchemical.com. Include the article URL and the point you would like us to review. For product requirements and quotations, use the Contact page.
Jinan office: Room 2411, Building 3, Aosheng Building, High-tech Zone, Jinan City, Shandong Province, China.
For the boundaries of chemical, research and health information, see the Technical & Medical Disclaimer.