guanru chemical
aout us
Guanru Chemical
Papermaking Additives Manufacturers,catalysts and instrumentation suppllers,making industrial processes purer,more efficient and smarter
Guanru Chemical Group consists of Shanghai Guanru Chemical Co., Ltd. (defoamers and paper chemicals), Shandong Weiyijia Chemical Co., Ltd. (catalysts), and Shandong Tianshuo Environmental Protection Technology Co., Ltd. (instrumentation). In 2023, with the continued growth of our business, we established a branch in Vietnam—Vietnam Guanru Paper Chemicals Co., Ltd. Adhering to the development philosophy of "high quality + reasonable prices + professional service," we rely on scientific management and strong technical strength to sincerely serve our customers. We welcome discussions on business and seek sincere cooperation for mutual benefit and win-win results!
Product Catalog
Product display
Production and supply for different industries
Just provide your requirements and specifications, and we will provide you with the best quotation
Papermaking and pulp
In pulping systems for broadleaf wood pulp, coniferous wood pulp, bamboo pulp, and sugarcane bagasse pulp, as well as papermaking systems for tissue paper, boxboard paper, writing paper, cardstock, newsprint, and specialty paper, there are mature products.
Wastewater treatment
Widely applied in industries such as pulp production, papermaking, dyeing, surface cleaning, urban sewage, electroplating, circuit board manufacturing, etc. for wastewater treatment processes. It has an excellent effect in eliminating and inhibiting biological foam.
coatings And Inks
It is suitable for water-based inks and medium and low-grade latex paints, high-viscosity white latex, EVA emulsion, polymer glue, modified starch, polyvinyl alcohol, waterproof coatings, water-based polyurethane, etc. It is used in the defoaming process of water-based color paste and paper coating.
Oilfield exploitation
Our company operates in multiple fields of catalysts and provides technical support, covering but not limited to hydrogen production catalysts for hydrocarbon conversion, sulfur recovery catalysts, sulfuric acid catalysts, noble metal catalysts, catalytic cracking catalysts, oilfield additives, and molecular sieves, etc.
why choose
why choose us
Why is Guanru Chemical Group trusted by so many customers at home and abroad?
Our defoamers, catalysts, and maintenance concentration meters bring many benefits to industries, enterprises, and projects such as papermaking and petroleum. The following are our advantages.
Rich experience and better understanding of customers
Many years of papermaking experience, catalysts, instrumentation supply, providing you with a full set of optimization solutions
Sufficient stock and spot supply
Cooperate with powerful logistics companies with strong transportation capabilities
Technology matures and reaches standards quickly
Experienced technicians, professional service process
honor
Certificate of Honor
CERTIFICATE HONORS
We provide professional, reliable and responsive product services. We have complete qualification certificates and strictly control product quality.
"Guanru Chemical has the best catalyst supply. We visited the factory and received high-quality catalyst products that bring benefits to our production. Thank you!”
Любов
From Russia
"I always choose Guanru Chemical Manufacturer to produce for my business. They are passionate about every aspect of manufacturing and have guided me throughout the production process."
Александр
From Russia
"Their defoamer is really effective, and the foam disappears after use. The styrene acrylic sizing agent is also great, and Guanru Chemical is supplying us with the products we need now."
David
From Vietnam
Knowledge Center
Knowledge Center
- 2025-09-12What Is a Catalyst and Its Scientific MeaningA catalyst speeds up chemical reactions by lowering activation energy, remaining unchanged and reusable throughout the scientific process.
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- 2025-09-08Fatty alcohol defoamer quickly defoams papermaking white waterAFV-3225D Fatty Alcohol Defoamer eliminates foam in papermaking white water 2.5x faster than standard products. Works above 50°C with micro-dosage efficiency for smooth production.
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- 2025-07-28Dry strength agent VS wet strength agent: Which one is more suitable for paper industry?For manufacturers in the paper industry, choosing between dry and wet strength agents may not be difficult, but these steps may seem simple, but they can affect the final outcome of your project and production.
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- 2025-07-19A Guide to Styrene Acrylic Sizing Agents for the Paper Industry - Materials, Applications, and MoreOver the years, styrene acrylic sizing agents have experienced significant developments and applications in the paper industry. This brochure will provide a comprehensive insight into styrene acrylic sizing agents, covering their materials, applications, advantages, disadvantages, and possible future developments.
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- 2025-07-19Defoamers: Explaining Defoamer Types, Selection, Feasibility, ApplicationsDefoaming agents (also known as antifoaming agents) are widely used in industry and daily life. Their main function is to eliminate or inhibit the formation of foam.
In this article, we’ll break down the types of defoamers, their selection, and more, so you can weigh the costs and benefits for yourself.Read More +
Popular Questions
We welcome inquiries from customers.
Guanru Chemical is your helper.
Q:Can I get some samples?
A:Yes, we can supply samples free of charge, the courier shipping cost will be prepaid by customers.
Q:How can you guarantee your quality?
A:Our factory owns mature production line under EPR quality system. We can guarantee the stability and qualification of the raw materials. And we also have SOP loading system to ensure the safety and timely transportation.
Q:What kind of package do you have?
A:We have many different packages to meet the needs of our customers, like Iron drums, plastic drums, IBC drums, Flexitank, ISO TANK, and bags, etc.
Q:How about your delivery? How long is your delivery time?
A:Prompt and reliable delivery by professional shipping lines. Generally, it takes 14 days after the deposit or the original LC.
our Partners
our Partners
