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On July 4th, Dongguan, Guangdong became a focal point for rotational molding technology. Our company, together with Sunrise Rotational Molding, Shanghai Jiechuang, and Zhenhai Refining and Chemical, held the 8th Rotational Molding Technology Festival. From morning till night, the venue was lively and filled with an atmosphere of exchange and learning.

At present, in the selection of inserts, most of them use: 1. brass; 2. Zinc aluminum alloy; 3. Stainless steel (anti-corrosion, corrosion-resistant);Defect Solution | Rolling Plastic Fuel Tank Science Popularization -2- Principle and Solution of Coating Problem ② Temperature and Embedded Parts (Expert Article) At present, in the selection of inserts, most of them use: 1. brass; 2. Zinc aluminum alloy; 3. Stainless steel (anti-corrosion, corrosion-resistant); The basic components of embedded assembly are: 1. Embedded screws; 2. Mold cavity wall; 3. Embedded components; Material selection for inserts: 1. Good thermal conductivity; 2. Sufficient mechanical strength (details will be elaborated in the next section).

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.

Rotomolding HDPE, short for rotationally molded high-density polyethylene, is a specialized thermoplastic material used in the production of large, seamless, and durable hollow products. The rotomolding process involves heating powdered HDPE resin inside a rotating mold, ensuring even material distribution and the formation of stress-free structures. This technique has gained immense popularity across industries such as automotive, agriculture, marine, and chemical storage due to its ability to produce complex shapes with exceptional strength and longevity.

​TS505U20CP is an external lining material designed specifically for harsh environments. It combines a variety of superior properties to effectively cope with complex outdoor and corrosive conditions.

In the previous episodes, our company's manager Mr. Wang shared the content about the current situation and trends of the European injection molding industry at the ARMO annual meeting.