Hengshui Haijiang Filter Press Group Co., Ltd., founded in 1985, has total assets of RMB1.52 billion, occupies a total area of ​​800,000 square meters, and employs 3,000 staff members, including 98 senior engineers and technicians and 319 mid-level engineers and technicians. Over the past 25 years, adhering to the corporate tenet of "Ceaseless Self-improvement, Country Repayment by Industry ", Haijiang Group has become the largest solid-liquid separation manufacturer in China with the most complete specifications and the best quality after high-speed development.


The plate and frame type filter press, chamber filter press, diaphragm filter press, fast open filter press and vacuum rotary drum filter and smart pressure filter produced by the company are widely applied in coal, mining, electricity, oil exploration and refining, chemical, environmental protection, metallurgy, pigment, dye, pharmaceutical, food and beverage and other industries, and well sold all over the country and exported to more than 20 countries including Russia, Japan, South Korea, Thailand, South Africa, India, Indonesia, Germany and Philippines.

We produce dozens of models (model 280 to 2000) of filter presses with more than 100 specifications. These products’ filtration area ranges from 0.2 m2 to 1,460 m2 and filtration pressure ranges from 0.4MPa to 1.6MPa. The filtration area of rotary vacuum filter press ranges from 5 m2 to 80 m2. The filtration area of smart pressure filter ranges from 60 m2 to 120 m2.

Our company has excellent processing and testing equipment. Our major production equipment includes large CNC machining center, mold processing center, professional filter plate CNC processing equipment, large 10m vertical lathe, 5m vertical lathe, 4m vertical lathe, large double housing planer and full-automatic welding equipment. Our major testing equipment includes 3005 circumferential direction and cone X-ray flaw detectors, 2505 circumferential direction and cone X-ray flaw detectors, 2505 directional and glass tube X-ray flaw detectors, JT-100 ultrasonic thickness meter, CDX-3 magnetic flaw detector, XPJ-A stainless steel processing machine, WEW-600C type 60T universal testing machine, JB-300B semi-automatic impact testing machine, CDC impact test low temperature trough, L71-UV impact test gap electric broaching machine, ST-50 Charpy projector and HB-3000B Brinell hardness tester.


Haijiang Filter Press Group Co., Ltd. is one of the first group of enterprises in the same industry that have passed ISO9001 International Quality System Certification, ISO14001 International Environment System Certification and Occupational Health and Safety Management System Certification. It has dozens of national invention and utility new model patents, and is Vice Chairman Unit of National Separation Machinery Association, and member unit of National Titanium Dioxide Center and National Starch Association. The company has won gold medal at the Third International Fluid Machinery Exhibition, a number of national and Hebei provincial science and technology progress awards, and the title of Hebei Brand-new Products for four times consecutively. It has been recognized as Quality and Efficiency Type Enterprise of Hebei Province, Top 10 National Coal Dressing Equipment Manufacturing Plants, and Designated Filter Press Manufacturer of National Chemical Equipment Corporation for many times. Haijiang Filter Press Group Co., Ltd. is the only domestic enterprise which has won the title of Provincial Brand-new Product for four times consecutively. In 2008, our company won a series of awards, including Top 10 Chinese Filter Press Manufacturers with Most Bidding Strength, Top 30 Chinese Credit Mining Equipment Suppliers, and Top 10 Filter Press Manufacturers of Top 500 Chinese Machinery Manufacturers.

Our company has 15 patents in the filter press field. Based on these patents, the company has developed many new models in accordance with the market demand, and enjoys completely independent intellectual property rights and unique production process. Most of the host machines for filter press of our company have adopted highly corrosion-resistant ductile iron casting process. Different types and categories of filter presses can basically meet users’ different needs. Diaphragm plate is the core component of filter press. On the basis of our patents, we have gradually developed a set of unique diaphragm filter plate production process, making our diaphragm filter plate products rank among the best in terms of quality.
Over the years, Haijiang Group has been interpreting the connotation of its enterprise culture with broad mind and inclusive tolerance of “all rivers run into sea” and philanthropic spirit and dedication passion of “a river nurtures land that it runs by”, and actively promoting the strategic principles of “Haijiang Has the Best Products, Best Talent, Best Management and Best Mechanism”. After constant exploration, innovation and improvement, the company has become the biggest solid-liquid separation machinery manufacturing base with the most complete specifications and best quality, and is developing at full speed toward the goal of establishing a long lasting Haijiang brand!

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