In the field of high-performance fibers, high-strength polypropylene is gradually becoming a star product in the field of industrial materials due to its light weight, high strength, corrosion resistance, and low water absorption. The core equipment supporting this material revolution, the Polypropylene yarn stretching machine, is continuously promoting industrial upgrading through technological innovation.

The core function of the Polypropylene yarn stretching machine is to convert polypropylene melt into high-strength fibers. Taking the DHP419 model of Jiangxi Donghua Machinery as an example, it uses multi-head spinning technology to achieve differentiated production of 300D/12-head spinning and 900D/8-head spinning. A single device can cover multiple application scenarios such as seat belts, industrial filter cloths, and conveyor belts. This design breaks through the efficiency bottleneck of traditional single-head spinning, increasing the production capacity of a single spindle by more than 30%. At the same time, the intelligent temperature control system controls the spinning temperature fluctuation within ±1°C, ensuring that the fiber strength uniformity reaches the industry-leading level of 7.0g/d.

Market applications have verified the value of technology upgrades. In the field of mine conveyor belts, the 1400D fiber produced by Polypropylene yarn stretching machines has a 25% higher breaking strength than traditional nylon materials, while its weight is reduced by 18%, which directly extends the service life of the conveyor belt to more than 3 years. In marine engineering, 800D polypropylene cable can maintain more than 90% of its initial strength in a salt spray corrosion environment with its ultra-low water absorption rate of 0.05%, making it the preferred material for deep-sea exploration equipment.

As the global manufacturing industry transforms towards green and intelligent, Polypropylene yarn stretching machines are ushering in a new round of technological revolution.

Jiangxi Donghua Machinery Co., Ltd. is located in Fuzhou, Jiangxi, which is known as the "hometown of talents" and the hometown of Wang Anshi and Tang Xianzu. It is located in the Fuzhou National High-tech Industrial Park in Jiangxi. Since its establishment in 2002, the company has been engaged in the research and development, production and sales of complete sets of chemical fiber equipment. The company has gathered a group of professionals with rich experience in the research and development and production of chemical fiber equipment. It has extensive and close technical cooperation with domestic colleges and universities and scientific research institutes engaged in fiber research, such as Donghua University, National University of Defense Technology, and Beijing Institute of Fashion Technology, so that products are constantly updated and always maintain the industry's position. Years of hard work have brought the company fruitful results. The company has a number of national invention patents and has become a national high-tech enterprise and a demonstration enterprise for scientific and technological innovation in Jiangxi Province. The company's products range from medium and high-strength spinning equipment for polypropylene to a series of special fiber spinning equipment such as high-strength and high-modulus polyethylene, aramid, and carbon fiber. Sales are spread across more than 30 provinces, cities, and autonomous regions across the country, and are exported to South Asia, Southeast Asia, Russia and other regions. The company brings high-quality products and excellent trust to customers in the industry with technology, products, and services. The company adheres to the spirit of "innovation and development", constantly forges ahead, and sincerely looks forward to cooperation and common development with customers.