Corporate History & Product Evolution
Since its inception as a small workshop in 1997, our company has grown into a diversified enterprise specializing in advanced filter manufacturing and international trade. The following timeline captures key milestones in our growth and product development:
1997: Founded as a specialized filter mesh workshop, focusing initially on the production of high-quality filter mesh cloth.
2003: Officially established as Linfen Huidong Filter Mesh Co., Ltd., during which the sales of our filter mesh cloth steadily increased, reinforcing our market presence.
2016: Responding to industrial demand for advanced filtration solutions, Shanxi Dingtai Yinrui Filter Manufacturing Co., Ltd. was founded. This marked the beginning of our production of high-performance ceramic foam filters, including Silicon Carbide (SiC) Ceramic Foam Filters, Zirconia (ZrO₂) Ceramic Foam Filters, and Alumina (Al₂O₃) Ceramic Foam Filters.
2023: Launched Linfen Sheng Shi Hong Ye International Trade Co., Ltd., expanding our global reach and enabling cross-border supply of our comprehensive filter solutions.
Today, our group integrates specialized manufacturing with international trade, offering a broad portfolio of filtration products that serve clients worldwide. Our commitment to innovation, from basic filter mesh to advanced ceramic foam filters, remains the cornerstone of our growth.
Our Factory
Shanxi Dingtai Yinrui Filter Manufacturing Co., Ltd. is a high-tech enterprise specializing in the research, development, production and operation of casting filters. Which is located at the foot of Zijinshan Mountain and Houma, the ancient capital of Sanjin, a strong casting city, which is a few miles away from the domestic "king of ductile iron" Jianbang Group.
The company has been valued by the local government since it was put into production, and there is an official proverb: "Ductile iron of Jianbang, castings of Huaxiang, and filters of Dingtai are also key", which gives our company great honor and encouragement. The company covers an area of 10,000m², more than 100 employees, with an annual production capacity of 4500m of foam ceramic production line, an annual production capacity of 300,000m of fiber filter production line, equipped with advanced production testing and experimental means, especially foam ceramic production line with leading technology, first-class technology, unique formula, and various indicators of the product are up to international standards. Tested by Shanxi Provincial Machinery. The products meet the national standard GB/T25139-2010 of the People's Republic of China, and our company has passed the international quality management system certification of GB/T19001-2016/ISO9001:2015 standard.
The products are mainly sold to Taiwan and all provinces and regions in China. The main foreign customers are Turkey, India, South Korea, Vietnam, the United States, Russia and other countries. The stable and excellent quality of our products has been well known in the industry.
In order to better enable our company to continue to progress, the company all colleagues warmly welcome friends from all over the country to visit our company, criticism, guidance, so that we are mutually beneficial and common development, so that our company in all aspects of a higher level !
Our Product
Glass Fiber Filters, Silicon Carbide (SiC) Ceramic Foam Filters, Zirconia (ZrO₂) Ceramic Foam Filters, Alumina (Al₂O₃) Ceramic Foam Filters, Honeycomb Ceramic Filter
Product Application
Silicon Carbide (SiC) Ceramic Foam Filters
Primarily used for filtering molten metals such as cast iron (ductile iron, gray iron) and copper alloys (bronze, brass), effectively removing inclusions.
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Zirconia (ZrO₂) Ceramic Foam Filters
Mainly applied in high-end casting for steel casting (including carbon steel, stainless steel) and high-temperature alloy castings. They are considered an ideal choice for steel casting processes.
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Alumina (Al₂O₃) Ceramic Foam Filters
Primarily used in non-ferrous metal casting for the filtration and purification of aluminum and aluminum alloy melts.
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Honeycomb Ceramic Filters
Suitable for precision casting applications with high requirements, such as aerospace castings.
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Our Certificate
Shanxi Dingtai has its own brand "DING TAI YIN RUI", Passed ISO9001:2015 certification in 2023.
Production Equipment
Production Market
Our filter products are specifically designed for the foundry industry, playing a critical role in the purification process of molten metals such as aluminum, iron, steel, and copper alloys. They effectively remove inclusions, significantly enhancing casting quality. These products have been successfully exported to key manufacturing regions including India, Turkey, South Korea, and Vietnam. The sustained demand for high-quality metal castings in these markets has contributed to our company's stable business growth and performance enhancement.
Our Service
We are committed to providing a full-cycle professional service experience for our customers:
Pre-sale Service
We offer detailed technical consultation, recommending the most suitable filter specifications based on the customer's specific casting process and metal type. We also support customized designs to meet unique application needs.
In-sale Service
We ensure smooth order execution and provide clear product usage guidance.
After-sale Service
We provide ongoing technical support. A clear quality guarantee policy is in place, which includes replacement or return services for confirmed product quality issues, ensuring our customers can use our products with complete confidence.