The Story of Longchang Chemical.
Shandong Longchang Chemical Co., Ltd. is a core subsidiary of Changyi Longchang Biochemical Co., Ltd. The parent company was established in 1996 and operates an 11,000-square-meter manufacturing site in Shibu Economic Development Zone, Changyi City, Weifang. The company employs 126 people, with technical personnel accounting for more than 30% of the team.
Environmental protection &
sustainable development
at Longchang Chemical
The company passed ISO 9001 quality-system certification and an environmental impact assessment audit in 2018. We apply ISO 9001, ISO 14001, and GB/T 28001 management requirements across production, quality inspection, R&D, employee health, and environmental protection.
Our R&D team works closely with the School of Chemistry and Molecular Engineering at Peking University, Qilu University of Technology, and other academic partners. Since opening a new laboratory in 2015, the company has made important advances in photoinitiators, photopolymerizable monomers, fluorinated monomers, UV oligomers, and other light-curing materials.
Products
supported by Longchang Chemical
Since 2019, a dedicated foreign-trade and digital-operations team has supported customers in international markets. Today, the company supplies products to more than 20 countries.
Longchang Chemical follows the principle of “credibility first, quality first” and the values of integrity, pragmatism, innovation, and efficiency. We aim to build long-term, mutually beneficial relationships with customers worldwide.
APIs and intermediates
We can undertake the directional synthesis of various intermediates and health product raw materials for legal purposes.
Health product and cosmetic raw materials
Our branches are providing raw materials for various health products and cosmetics to customers around the world.
Longchang Chemical
Chemical customization process:
1. Put forward your needs: You only need to provide the name, structure or CAS number of the required product, and the index requirements. Our synthesis personnel will design a synthesis route suitable for you based on your needs and provide relevant quotations.
2. Sign the contract: After you are satisfied with the quotation we provide, we will sign a contract with you.
3. Project establishment: Once the contract comes into effect, the project will be established immediately after your company makes the advance payment. We will designate a dedicated person to contact you to ensure that you can understand the progress of the project in real time.
4. Project completion: After the project is completed, we will send NMR and LC-MS in advance for your confirmation. After confirmation, we will first send you product samples for you to test. If you confirm that there is no problem with the product quality, we will arrange for timely delivery after payment.
Capabilities of Longchang Chemical.
Our R&D capabilities, quality-management systems, and established manufacturing foundation support stable quality and dependable international supply.
Our Team
Our team consists of several PhDs and masters in pharmaceutical engineering from top universities at home and abroad, with many years of experience in chemical synthesis.
Project experience
Completed more than 100+ high-end customization projects at home and abroad, and provided complete process data handover, production amplification and transfer, and process improvement technical services.
Equipment and capabilities
The R&D center is equipped with internationally advanced pharmaceutical analysis equipment and purification devices.A small-scale laboratory and process verification pilot workshop that meet international standards and have the production capacity of small-scale R&D compounds.
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