DALIAN HAOHAI WATER TREATMENT TECHNOLOGY CO., LTD.,  one subsidiary  of  the EDRI(the eleventh design and research institute of science and TECHNOLOGY engineering CO., LTD.,of electronic information industry ) , is dedicated to provide customers at home and abroad environment, fluid filtration, medical treatment, gas processing and safety related products, systems and engineering design consulting services and on-site construction business. We are also for related research of equipment materials, production and sales, form a complete set of electrical, control instrumentation, equipment production and sales. We have multiple liaison offices in China located in Urumqi, Shenyang, Beijing and other cities. The company currently has a filter manufacturing factory, one instrument and meter plant and one equipment processing center, an American company.

All of  our main personnels have fulfiled large-scale projects at home and abroad as the main technical directors, project managers, we completed over 300 projects at home and abroad participating in the design, constructions, commissioning, training, acceptance, etc. Contacting with foreign companies for many years we have accumulated enough practical experience and  mastered the advanced technology. Meanwhile, we are making innovation constantly and developed a series of advanced water treatment equipments, technology and process instrumentation.

We have rich experience in water treatment, waste gas treatment project, mechanical technology and electronic engineering, automation control and instrumentation, project management, on-site technical service, training, after-sales service and other fields with a high level of engineers, a complete management system and high-quality service. We can work in the engineering design, construction, commissioning in turnkey way to complete the project.

Meanwhile, as a general agent of industrial filtration products of 3 M company in the Northern China,we provide customers with full service of its products.

We have comprehensive cooperation in the field of membrane separation technology with GE, 3 M and KOCH, such as in the biological, pharmaceutical, chemical, electronics, environmental protection, energy, science experiment of high-tech fields such as gas, liquid purification aseptic, separation, concentration, purification, catalysis, biological reaction process in terms of product development, production, technology applications and services.

We cooperate comprehensively with the Department of Environmental Science and Engineering of Tsinghua University and Dalian University of Technology in sewage wastewater treatment, water reuse, water treatment to do product development, manufucturing, design, construction, technology applications and services,and so on.

"Pursuit of excellence, Continuous innovation". Help you succed is our success!

The main products and services we develop, manufacture and operate include:
1 Micro filter filter: design and produce all kinds of liquid, gas filter, filter, filter bag, capsule filter;
2 Microfiltration membrane filter: design and produce a variety of microfiltration membrane, solvent filters, as well as a variety of filter, acting foreign microfiltration membrane;
3 Filter cartridges: being an authorized agent of 3 M, distribution of 3 M CUNO filtration products and providing technical consultation and service;
4 GE filter cartridges, UF, NF, RO membrane: GE authorization level agent, distribution of GE filter cartridges, all kinds of UF, NF, RO membrane element and providing technical consulting and services;
5 Gas detection equipment, production of various flammable, poisonous gas monitoring alarm and alarm systems, portable and stationary
6 Water treatment materials: bio-suspended filler, microbial strains, production packing, sludge reduction bacteria;
7 Water treatment equipment and project: maunufucturing and providing water supply and sewage equipments: fiber filter, security filters, microfiltration, ultrafiltration, reverse osmosis equipment, EDI equipment, integration of sewage treatment equipment; working at water treatment engineering of beer, beverage, power plant boiler feed, pharmaceutical factory, electronics factory, chemical plant, as well as the domestic wastewater, papermaking wastewater, coking wastewater, aquatic products processing wastewater, aquaculture wastewater, beer, beverage wastewater treatment engineering;
8 Dosing equipment: agenting importing metering pumps, assembling a complete set of chemical dosing system making up of mixer, dosing barrels, sensors, instrumentation, etc.;
9  Water treatment chemicals: reverse osmosis scale inhibitors, detergent, ultrafiltration cleaner, supplying all kinds of industrial cleaning agent, flocculant, disinfectant.