Zhejiang Jinniao Filter Press Co., Ltd. is one of the major domestic filter press manufacturers and was founded in 1971. With the right to import and export products by self-operated products, the company pioneered plastic filter plate products in China. It is a member of the National Separation Machinery Industry Standardization Technical Committee. It participates in and formulates industry standards for filter press products. It is the main drafter of the filter press industry standards.

Jinniao filter presses are widely used in solid-liquid separation in chemical, petroleum, smelting, coal washing, food, medicine and environmental protection industries. Adhering to the corporate purpose of "satisfiing users and serving first", "because of professionalism, it is better", and absorbing and digesting advanced technologies from Germany and Japan, the company has developed a board-frame filter press and a box-type press. High-quality solid-liquid separation equipment such as filters, diaphragm filter presses, and leaf filters, and provides fast and good pre-sales, in-sales and after-sales services. It produces more than 1,000 sets of filter presses per year, sold to all parts of the country, Southeast Asia, West Asia, Africa, Australia, etc., with a total of more than 8,000 users.

The company has high-quality testing personnel, advanced, complete and perfect testing equipment, providing users with various testing services and targeted and constructive technical support.

The company also has a group of managers with rich experience in production practice, scientific and technological personnel who are diligent in exploring and innovative, and technical employees who are proficient in operating skills, thus forming the backbone of the company's sustainable development.

The company introduced the ISO9000 quality management system in the quality management system and made it operate appropriately and effectively. All employees conscientiously implemented the company's quality policy and worked hard to achieve the company's quality goals. In 2003 , it successfully passed the ISO9000 quality management system certification. It successfully passed the 2008 edition in 2010 ; it passed the CE certification of filter presses in the first half of 2005 ; the company will continue to establish and effectively operate the ISO management system, continue to implement CE standards, and continuously improve the quality of filter presses products.

In accordance with the ISO9001:2000 standard, the company continues to improve and improve the quality management system, and continues to serve customers wholeheartedly in accordance with the quality policy of "technology first, high quality and efficiency, satisfying users, and putting reputation first".