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About us

Zhejiang Pujiang Hongda Co., Ltd.

Company Profile

Zhejiang Pujiang Hongda Co., Ltd. was established in 1994. The company covers an area of 21,392 square meters, with a construction area of 32,962 square meters, and the registered capital is 6 million. It is specialized in the production of stainless steel fiber sintered felt, stainless steel sintered mesh plate, melt filter disc and filter elements, with nearly 30 years of experience in filter production, research and development. The market share of melt filter discs in biaxially oriented film production lines and lithium battery diaphragm production lines is more than 90% in China, and the product quality of stainless steel fiber sintered felt reach the world's leading level.

The company has a high professional level, rich practical experience, strong and stable R&D and production team, which has laid a solid foundation for Hongda to maintain the world's leading level in the filtration industry. Our melt filter discs, melt filter elements and oil filter elements are widely used in polyester film, polypropylene film, optical film, capacitor film, nylon film, lithium battery film, chemical fiber, petroleum, dust and other industries . We provide high-quality filter elements for Bruckner, Dornier, Japanese lines, DMT film main line equipment, and the products are widely used in major domestic BOPET, BOPP, PA, PE, PC and lithium battery diaphragm manufacturers. At present, the company has more than 100 products, covering the fields of solar back sheets, polyester optical base films, nylon industrial melt filters, air filters, oil filters, water filters and special seals.

We pay great attention to the individual needs of different customers, and on the basis of full communication with customers, we have successively developed various forms of filter discs, and applied for a number of practical patents at the same time. In response to the domestic high-end polyester optical film, lithium battery separator and other industries for high-precision melt filter discs, we have developed a variety of filter structures and high-precision melt filter discs such as 3um and 5um filter disc. For domestic high-demand optical membranes and other membranes, we have developed fiber composite filter discs and powder composite filter discs with excellent filtration result, help customers installed in one-time and use successfully, save a lot of money for customers. Pujiang Hongda has been committed to continuously optimizing and improving products, striving to provide customers and the film industry with high-quality filter elements, and at the same time doing our best to solve problems for customers and contribute to the vigorous development of the industry.

Production workshop 3

Production workshop 2

Production workshop 1

Factory No. 3

Factory No. 2

Factory No. 1

Company front door