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We all know that ordinary PE materials have excellent acid and alkali corrosion resistance, but they cannot withstand very high temperatures. However, customers have an increasing demand for high-temperature coating materials, especially in the application of high-temperature chemical liquids and high-temperature slurry transportation.

Zhejiang Rotoun Plastic Technology Corp. was established in 2013 with a registered capital of 40 million. The company is the largest manufacturer of rotational molding functional polymer powder in China, with advanced powder processing technology, a complete set of polymer measuring instruments, a large number of professional technical personnel and complete product certification certificates (NSF, UL, FDA, RoHS, etc.).

On August 7, 2025, our company officially signed a cooperation agreement with Xingzhi College of Zhejiang Normal University to jointly establish a practical education base, marking a solid step forward for both sides in deepening the integration of industry and education and collaborative education.Ruitang Technology has joined hands with Zhejiang Normal University Xingzhi College to jointly build a practical education base, opening a new chapter in the integration of industry and education On August 7, 2025, our company officially signed a cooperation agreement with Xingzhi College of Zhejiang Normal University to jointly establish a practical education base, marking a solid step forward for both sides in deepening the integration of industry and education and collaborative education. This cooperation aims to fully leverage the respective advantages of the school and the enterprise to create a high-quality platform that closely integrates industry, academia and research.

In the development history of rotational molding, there are two mainstream processing techniques, namely granulation process and dry mixing process. The overall process has significant differences, being two distinct pre-treatment methods for product processing materials.