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Professionalism & integrity win the respect of customers

Zhejaing JoySun

Established in 2005, we have built a comprehensive factory area that integrates synthesis factory, research and development center, and production management. As a professional manufacturer of chemical foaming agents, calcium zinc stabilizers, WPC wood plastic lubricants, and special additives.

Our Featured Products

More than a premium raw material supplier, we excel in foaming and wood-plastic core technologies, offering world-class foaming agents, calcium-zinc stabilizers, lubricants, and customized technical solutions.

View all products
R&D & Technology

With large-scale R&D facilities and multi-level R&D platforms, sustained substantial R&D investment, a highly educated team, and industry-academia-research cooperation with universities.

Second Factory

Second Factory

  • 1600

    R&D site area

  • 11+Million USD

    6-year R&D investment

  • 20+Person

    Highly educated R&D team

  • 34

    Patents

Applications & Solutions
News
Releases

Stay updated on our latest corporate news, milestones, and exhibition insights—get details on participation, highlights, and on-site coverage to understand our strategic initiatives in real time.

Mar 102026
Joysun Excellence Performance Management Training1

We take pride in our competent sci-tech team, launching new patented products annually. We have been consecutively awarded titlescal Device Co., Ltd. and a financial company.

Mar 102026
Joysun Excellence Performance Management Training

We take pride in our competent sci-tech team, launching new patented products annually. We have been consecutively awarded titlescal Device Co., Ltd. and a financial company.

Mar 102026
Joysun Excellence Performance Management Training

We take pride in our competent sci-tech team, launching new patented products annually. We have been consecutively awarded titlescal Device Co., Ltd. and a financial company.

Mar 102026
Joysun Excellence Performance Management Training

We take pride in our competent sci-tech team, launching new patented products annually. We have been consecutively awarded titlescal Device Co., Ltd. and a financial company.

Mar 102026
Joysun Excellence Performance Management Training

We take pride in our competent sci-tech team, launching new patented products annually. We have been consecutively awarded titlescal Device Co., Ltd. and a financial company.

Mar 102026
Joysun Excellence Performance Management Training

We take pride in our competent sci-tech team, launching new patented products annually. We have been consecutively awarded titlescal Device Co., Ltd. and a financial company.

Mar 102026
Joysun Excellence Performance Management Training

We take pride in our competent sci-tech team, launching new patented products annually. We have been consecutively awarded titlescal Device Co., Ltd. and a financial company.

Mar 102026
Joysun Excellence Performance Management Training

We take pride in our competent sci-tech team, launching new patented products annually. We have been consecutively awarded titlescal Device Co., Ltd. and a financial company.

Mar 102026
Joysun Excellence Performance Management Training

We take pride in our competent sci-tech team, launching new patented products annually. We have been consecutively awarded titlescal Device Co., Ltd. and a financial company.

Mar 102026
Joysun Excellence Performance Management Training

We take pride in our competent sci-tech team, launching new patented products annually. We have been consecutively awarded titlescal Device Co., Ltd. and a financial company.

Mar 092026
2025 Rubber & Plastic Expo: "Transformation, Collaboration, Sustainable Co-creation"

Several companies have launched bio based and biodegradable materials, such as Guoke Haina showcasing its "all natural...

Mar 092026
New foaming agents disrupt monopolies and innovate in the industry

The rapid industrialization of new chemical foaming agents is related to international compliance and domestic environmental...