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ABOUT US

QICHEN's plant is located in Zhanhua District, Binzhou City, Shandong Province which is a large province of the chemical industry chain. This city comes with rich industrial support, such as advanced technical resources, abundant material supply, huge production and storage capacity, all of which are leading in China.

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Why Choose Us

Qichen meet the needs of you with best cost-effective products ,convenient and feasible solutions.

Powerful Support

15,000㎡ for Binzhou plant. 30,000 tons annual output and 1,500m³ storage capacity. More than 6 branches and storage places in other cities of China.

Special Plant Location

Come with rich chemical industrial support chain. Technical resources, material supply, production& storage capacity, all of which are leading in China.

Strong Team with Solutions

More than 20 years chemical experiences for most management team members.Could provide integrated solutions & services for our end users.

2012

The company was founded in 2014

180

More than 180 solutions

30

More than 30 product categories

100

More than 100 Cooperative partners

Blogs

Tackling Odor in Flexible Polyurethane Foam: Root Causes and Effective Solutions

Tackling Odor in Flexible Polyurethane Foam: Root Causes and Effective Solutions

For many manufacturers and consumers, lingering, pungent odors in flexible polyurethane foam products are a persistent frustration. Standard practices like ventilation and sun-drying often fail to eliminate these smells, leading to widespread misperceptions that it is simply an unavoidable, slow evaporation process.In reality, over 90% of flexible foam odor issues stem from inadequate control during production. The root causes are overwhelmingly concentrated in three core processes: raw material selection and formulation, the foaming reaction itself, and post-curing treatment. By implementing targeted corrective measures in these areas, manufacturers can dramatically improve product quality and odor compliance.

common defects of spray polyol systems formulated with HFC-245fa

common defects of spray polyol systems formulated with HFC-245fa

Starting from July 1, 2026, HCFC-141b blowing agent will be completely banned for spray polyurethane foam. As HFC-245fa/water become the mainstream blowing system, new technical challenges have emerged. Based on the practical experience of our construction technical team, we have summarized the 10 most common defects of spray polyol systems formulated with HFC-245fa, along with corresponding solutions:

Common Defects and Troubleshooting of Continuous PU Sandwich Panels with Pentane Blowing System （二）

Common Defects and Troubleshooting of Continuous PU Sandwich Panels with Pentane Blowing System （二）

With the gradual phase-out of HCFC-141b, pentane has gradually become a mainstream blowing agent in the continuous panel industry.What problems will be encountered during the production of continuous PUR panel using pentane as the blowing agent?Let us take a look at the common defects and corresponding solutions.