Shandong Zhongyang Chemical Co., Ltd.
Providing customers with high-quality fluorescent whitening agents and pigments
Provides OEM services for many famous international brands.
PRODUCT CENTER
Our main products include optical brighteners, pigments, solvent dyes,masterbatches, detergent and plastic additives.
Optical Brightener OB-1 Green-tone
SHANDONG ZHONGYANG CHEMICAL CO., LTD.
Shandong Zhongyang Chemical Co., Ltd. was established in 2004. The company is committed to the R&D and production of optical brighteners, pigments and their intermediates. It has carried out extensive research in the application fields of optical brighteners and pigments, and provides OEM services for many famous international brands. Relying on the philosophy of integrity operation, professional service capacity and cost-effective products.
SEE MORE+Production Experience
Active Employees
Floor Area
Exporting Countries
CERTIFICATE OF HONOR
TITANIUM DIOXIDE
OPTICAL BRIGHTENER CBS-X
OPTICAL BRIGHTENER OB-1
OPTICAL BRIGHTENER OB-I (SDS)
OPTICAL BRIGHTENER CBS-X (SDS)
TITANIUM DIOXIDE (SDS)
APPLICATION AREAS
The company is dedicated to the research and development and production of fluorescent whitening agents, pigments and their intermediates, and has conducted extensive research in the application fields of fluorescent whitening agents and pigments.
WHY CHOOSE US ?
With our own manufacturing facilities, R&D center, and laboratories, we ensure consistent and reliable quality for products including optical brightening agents, titanium dioxide, solvent dyes, and pigments.
We provide OBA products and comprehensive whitening solutions with full technical support throughout the process.
NEWS CENTER
Definition and Applications of Organic Pigments
Organic pigments are a class of insoluble coloring agents composed primarily of organic compounds. They are typically incorporated into substrates in a highly dispersed state to achieve coloring. The key distinction between organic pigments and dyes lies in the fact that organic pigments are insoluble in both the application medium and the substrate being colored.
Gentle Whitening Solution for Home Clothes
A well-known daily chemical company plans to launch a "rejuvenating whitening" laundry detergent product specifically for white clothing.
04-20
2026
High-efficiency whitening and environmentally friendly optimization solutions for cultural paper
A large cultural paper manufacturer with an annual output exceeding 500,000 tons mainly produces office consumables such as copy paper and writing paper. With market upgrades, customers are increasingly demanding higher standards for paper whiteness, smoothness, and environmental protection. Previously used ordinary whitening agents faced the following bottlenecks:
01-14
2026
High-end whitening solution for PP woven bags
A large plastic products manufacturer, specializing in PP woven bags, primarily uses them for chemical raw material packaging and agricultural product logistics.
03-20
2026
Key Differences Between Fluorescent Whitening Agents and Fluorescent Whitening Masterbatches, and Selection Criteria
Fluorescent whitening agents are high-purity, single-component functional additives whose primary function is to “optically remove yellowing and enhance brightness and whiteness.” Fluorescent whitening masterbatches are blended functional granules composed of a whitening agent, carrier resin, and dispersant, designed to balance whitening performance with processing compatibility.
01-23
2026
Fluorescent Whitening Agent OB1 Yellow Type / Green Type
The Yellow Type and Green Type of Fluorescent Whitening Agent OB1 are essentially identical in terms of chemical structure, whitening efficiency, heat resistance (approx. 360°C), and weather resistance. The main differences lie in their color tone, appearance, manufacturing process, and intended application hues.
CONTACT US
Qihe Economic Development Zone (Industrial Park), Shandong Province