Applied in： ● Water treatment for pH adjustment; ● Food additive; ● Feed additive, ● PH modifier for alkaline soils, ● Utilized in textile processing, ● In the leather industry, ● The metal industry. ● As an auxiliary in dairy product and beer brewing processes;
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( Na₂S₂O₅ )
In Food Industry ● As preservative and fresh-keeping agent ● As bleaching agent. ● As leavening agent Industrial Field Grade ● In Printing and Dyeing Industry ● In Papermaking Industry ● In Rubber Industry ● In Mineral Processing Other Fields Grade ● In Photography Industry ● In Fragrance Industry
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OUR PRODUCTS
Specializing in sulfites, sulfates, pharmaceutical intermediates and specialty chemicals with 30+ years of ISO-certified production expertise.
ABOUT US
Cangzhou Coastal-port Forever Rich Chemical Co., Ltd.
(old factory:Tianjin Zhentai Chemical Co, Ltd.)
We, Cangzhou Coastal-port Forever Rich Chemical Co. ,Ltd. We has a history of over thirty years and has obtained ISO certification. Our factory mainly produces four major product series:1.Sulfiteseries, E.g.: SodiumMetabisulphite, SodiumBisulphite, SodiumBisulphite Solution, SodiumSulphite, Sodium Thiosulphate;2.Sulfateseries, E.g.: SodiumBisulphate, Sodium Bisulphate Monohydrate, Potassium Bisulphate, Ammonium Hydrogen Sulfate；3.Intermediate series, E.g.:N-Ethyl Ethylenediamine(NEED),N,N-Diethyl ethylenediamine, N,N'-Diethyl ethylenediamine.
Established in 1999
Manufacturing base
Export countries
Enterprise Strength
With over 30 years of experience as a professional manufacturer of chemicals, our products sell well all over the world
With over 30 years of experience as a professional manufacturer of chemicals, our products sell well all over the world
Our Company
For the control of product quality, we ensure the quality of incoming materials and have a strict supplier review system. We have a complete set of product quality control measures in place, with batch-by-batch testing and traceability!
Quality Control
Our company has its own professional R&D team with many years of experience in R&D and production. We have also been cooperating with the Chemical Engineering Institute of Tianjin University for a long time to develop new chemical products.
R&D Team
Experience in the research and production of multiple chemicals. The company has a complete, scientific and advanced quality management system.
Workshop
Why Clients Love Work With Us?
With years of expertise in private label issue paper production,we are dedicated to helping you build a successful brand with premium, customized solutionsPartner with us for a seamless and trustworthy manufacturing experience.
30 Years of Industry Experience & ISO-Certified Quality Assurance
With over three decades of expertise in chemical production and R&D, coupled with ISO certification, we ensure consistent and reliable product quality.
Comprehensive Four-Core Product Portfolio
We specialize in manufacturing sulfites, sulfates, pharmaceutical/pesticide intermediates, and specialty chemicals, catering to diverse market demands.
R&D Team
Our company has its own professional R&D team with many years of R&D and production experience, and has been cooperating with Tianjin University Chemical Engineering Institute for a long time to develop new chemical products.
Global Market Recognition
The products sell well all over the world (including the Americas, Europe, South America, the Middle East, Southeast Asia, Africa, etc.), are popular in both domestic and foreign markets, and have successfully entered the supply chains of world-renowned multinational companies, proving the quality of its products and its international competitiveness.
GLOBAL NETWORK
Providing Our Customers
with Best Services
Served over 300 customers from 40 countries
Our products have been exported to many countries and regions, such as America, Europe, South America, Middle East, Southeast Asia, Africa etc., and very popular in both inland and abroad markets. Besides, we also supply the products to many world famous multi-national corporations. “Quality first, Credit good” is our consistent principle. We wish to be together with our friends from all over the world to create wealth and go to resplendence.
News & Blog
Our people are dedicated to finding solutions to every challenge. That spirit makes for some great stories.
Jun 05,2025
Jun 05,2025
Formation conditions and sources of sulfates
Jun 05,2025
Physical properties of sulfates
Specializing in sulfites, sulfates, pharmaceutical intermediates and specialty chemicals with 30+ years of ISO-certified production expertise.
Contact Us
Contact：Mr. Bian Shijun
WeChat：+86 13502007090
Intersection Of Tongqi Road And Huagong Second Road In East District Of Cangzhou Coastal-Port Economic And Technological Development Zone, Cangzhou City, Hebei Province, China
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