China Rotoun Manufacturer, Supplier, Factory

Our company's "yellow card" (UL certified card) family has added a new member. As mentioned in the previous video, our material LLD610P has passed the HB level yellow card certification. This time, our material LLD302V0P has passed the V0 level yellow card certification, which is a heavyweight UL yellow card certification.

Melt flow rate (referred to as melt index) is an important performance indicator of rotational molding materials, which has a significant impact on the processing and forming of rotational molding products.

What you are seeing now is a video of karting sports, which are mainly divided into leisure and competitive categories. The speed of leisure category can reach 60km/h, and the speed of competitive category can reach 130km/h. This puts higher requirements on the impact resistance of karting shells!

Choosing the right type of mechanical seal and material is crucial for the long-term performance of the machinery, as well as for the protection of both workers and the environment.

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.

With the global emphasis on energy conservation and emission reduction, plastic fuel tanks are gradually replacing traditional metal ones due to their light weight and high efficiency.