Here’s the English version of the news article about Tangyin Hongda’s self-lubricating, maintenance-

　　 Tangyin Hongda: Crafting Self-Lubricating, Maintenance-Free Idlers with Engineering Excellence – Driving a New Era of Industrial Conveying Through Innovation

　　 In the field of industrial conveying, idlers may be small components of belt conveyors, but they play a critical role in the service life of the conveyor belt and the overall operating efficiency of the equipment. Located in Tangyin County, Henan Province, Tangyin Hongda Engineering Plastics Factory has built up over 40 years of technical expertise and craftsmanship. Its core products – plastic (nylon) idlers and ultra-high molecular weight polyethylene (UHMW-PE) idlers – are winning increasing trust from customers across industries, thanks to their outstanding self‑lubricating and maintenance‑free properties.

Over Four Decades of Dedication: Craftsmanship That Ensures Quality

　　 Founded in 1983, Tangyin Hongda Engineering Plastics Factory enjoys a convenient location west of the Beijing‑Guangzhou railway and National Highway 107. After more than 40 years of steady development, the factory has established a complete system covering production, sales, quality inspection, installation and after‑sales service. Its main products include plastic (nylon) idlers, UHMW‑PE sheets (types I, II and III) and rods, which are sold to large enterprises across the country in sectors such as electric power, metallurgy, coal mining, papermaking, chemical industry, shipbuilding, transportation, food processing and healthcare. In July 2025, Tangyin Hongda successfully won a bid for a nylon idler supply project from a major enterprise in Chongqing – further proof of the market’s strong recognition of the company’s product quality.

　　“We don’t pursue high‑speed growth or try to outperform others overnight – we aim for steady development. Running a business is not about setting off fireworks; it’s about enduring for the long term,” said Li Wei, the company’s legal representative. It is this commitment to quality and integrity towards customers that has enabled Hongda to maintain stable growth in a fiercely competitive market.

Self‑Lubricating and Maintenance‑Free: Solving Industry Pain Points

　　 In traditional conveyor operations, lubrication and maintenance of idlers have always been a headache for enterprises. Metal idlers tend to rust after prolonged operation and require frequent lubrication – not only increasing maintenance costs but also affecting production efficiency. Tangyin Hongda’s engineering plastic idlers offer a revolutionary solution to these problems.

The key advantage lies in the exceptional properties of UHMW‑PE material:

　　Self‑lubricating – no manual greasing required. UHMW‑PE has excellent self‑lubricating characteristics and an extremely low coefficient of friction. Even under harsh working conditions, there is no need for oil or grease lubrication, completely eliminating the frequent maintenance required by traditional metal idlers. This saves significant labour, material and electricity, delivering substantial economic benefits to users.

　　 Lifetime maintenance‑free – significantly longer service life. Thanks to its high wear resistance and ultra‑low friction coefficient, Hongda’s idlers are less prone to seizing even in severe environments. Their wear resistance is several times higher than that of steel idlers, and under the same conditions, their service life can be 3 to 5 times longer than metal idlers.

 　　Corrosion‑resistant and highly adaptable. The product exhibits excellent chemical resistance to acids, alkalis, organic solvents and other corrosive media. It can operate within a wide temperature range from ‑40°C to 80°C, making it suitable for the demanding conditions of mines, power plants, steel mills, stone yards, coal preparation plants, fertiliser plants and other conveying applications.

　　Energy‑saving, low‑noise and environmentally friendly. Compared with traditional idlers, Hongda’s plastic idlers generate an operating noise of only 3 to 7 decibels, significantly improving the working environment. Furthermore, thanks to their self‑lubricating nature, they require no painting or oiling, reducing environmental pollution and occupational health hazards for workers.

Powered by R&D: Deep Industry‑Academia‑Research Integration

　　Tangyin Hongda’s development has never been an isolated effort – the company has consistently maintained stable partnerships with relevant universities, research institutions, mines and factories. With the help of technical experts from renowned universities, Hongda has not only upgraded its core products but also jointly developed auxiliary components such as strip bushings, sleeve bearings, cushion pads and sliders, continuously expanding the application fields of engineering plastics.

　　“In the choice of raw materials, Hongda follows the centuries‑old business ethics of traditional Chinese culture. We do not adulterate raw materials or compromise quality for price competition – we pursue profit without abandoning integrity. In terms of workmanship, we strive for excellence and continuous improvement,” said a company representative. This “craftsman spirit” has become part of the company’s core culture.

Market Recognition and Bright Prospects

　　Thanks to their excellent performance, Tangyin Hongda’s self‑lubricating, maintenance‑free idlers have been widely used in conveyor systems across many industries, including electric power, metallurgy, coal mining, cement, papermaking and chemicals. They are particularly well‑suited for high‑speed, long‑distance, heavy‑duty applications and harsh conditions such as high temperature, high humidity, strong corrosion and heavy dust.

　　Industry experts point out that as industrial automation continues to advance, enterprises are demanding higher reliability and easier maintenance from their equipment. Through technological innovation and a steadfast commitment to craftsmanship quality, Tangyin Hongda Engineering Plastics Factory has deepened its expertise in self‑lubricating, maintenance‑free idlers. This not only provides a reliable solution for upgrading industrial conveying equipment but also serves as a vivid example of the transformation and upgrading from “Made in China” to “Intelligently Made in China.” Looking ahead, Hongda will continue to uphold its spirit of craftsmanship, pursue further innovation, and deliver high‑quality conveying solutions to customers in even more industries.