Company Profile



Located in Yucheng, Dezhou City, Shandong Subang dedicated into the R&D, manufacturing and sales of optical brighteners since 1998. We have four subsidiary companies Jinan Subang Fine Chemical, Shandong Joy-ring Chemical, Subang International Chemical and Shandong Subang Jinan Branch, and two production bases of Liaocheng Liuhe Chemical (Holding) and Wuqiao Liuhe Deli Chemical (Share-holding). The well equipped R&D center and supersize logistic center contribute to our fast development while the import and export rights, Hazardous Chemicals Business License and REACH Certification enable us the expanding of oversea markets. We passed ISO quality management system certification and granted the national AAA credit in 2019 as an export oriented enterprise. 

Why Choose Us?

Main products: fluorescent whitening agents, intermediates


SUBANG Fluorescence Technology

For more than 20 years, we have devoted ourselves to the R & D and production of whitening agents, and are determined to become a leading brand in the industry


Technology Oriented

The introduction of advanced technology, researchers continue to optimize the formula, adhere to the production of good quality brightener


Direct Deal

Always adhere to the quality control from the source, strictly control the purchase of raw materials, adhere to the spirit of craftsman, adhere to the whitening agent

Our Skills & Expertise

With the advanced equipment, accurate detection technology and strong capital, over 70% of our products was sold to more than 50 countries and regions worldwide in the past 20 years. We also provide OEM services for many world famous brands, as well as third-party testing and entrusted procurement and established long-term strategic cooperation with some domestic well-known universities. 

Production base
Production and management personnel
Sell to
+ countries and regions

After-sales Service: 24-hour online service, the technical engineer handles the whole process regardless of any problems during the use of the product

Product Advantages


Stable Quality

All products have reached national standards, product purity of more than 99%, high stability, good weatherability, migration resistance


Factory Direct Supply

Plastic State has 2 production bases, which can guarantee the stable supply of products, factory direct sales


Export Quality

Based on domestic and global, the products are exported to more than 50 countries and regions in Germany, France, Russia, Egypt, Argentina and Japan

Everything You Wanna Know About Us