Nanchang City Enhui Medical Hygienic Materials Co., Ltd.

R & D And Design

Professional design R & D team:


more than 50 people Have a professional CFD flow field analysis room,


which can be customized according to customer’s pump specific requirements.


Mold Production

Types of molds :metal molds, wood molds, foam molds and lost foam molds.


Core equipment for mold production:triple linkage gantry vertical milling machine and triple linkage gantry engraving machine.




1: 4 lines of resin sand production

2: 8T intermediate frequency electric furnace, 5T intermediate frequency electric furnace

3: 2 sets heat treatment annealing furnaces:

4: 2 sets shot blasting machines


Casting range: HT, QT, ZG,SS 304,SS316, SS316L, 2205, 2507, NiCrHt

Annual production capacity: 8000 tons

Single casting weight: HT, QT 31 tons / piece,

ZG: 22 tons / piece, carbon steel / stainless steel: 21 tons / piece



Monthly machining output: 700 sets


Equipments: 160 sets of various machining equipment such as 5-meter vertical lathe, floor boring machine, grinder, CNC gantry milling



Standard: strictly in accordance with ISO9906: 1999 international standard


Digital automatic control system, automatic collection of test data, automatic generation


Intelligent visualization, testing can be real-time remote monitoring Have 5 testbed


Maximum flow: 4m³ / s, maximum power: 2000KW; maximum test pressure: 10.0Mpa


Quality Management


Quality policy: "Quality customization, stable output, continuous improvement", our company cooperated with ANDRITZ, Wilo, ITT, Xylem and implement European quality management system standards

Quality certificate: ISO9000 German TUV certification


Quality control system

mold can be controllable

The mold can be independently designed, developed and processed

Using three-dimensional simulation to achieve the requirements for product function guarantee and performance analysis


Casting standards and quality traceability

Qualified suppliers for raw material procurement shall be reviewed and rated in accordance with the annual requirements.

The molding and smelting process strictly in accordance with inspection regulations and during smelting process will have physical and chemical analysisfor the casting

Strict scoring system is adopted for castings, and excellent products with a score of 90 or above account for 70%

Castings are marked by heat number for long-time traceability


Machining control

Strict implementation of the first pump with every parts inspection

Strictly according to drawings, according to standards and according to process

Measuring instruments are conducted annually calibration

Prepare a quality control plan for new products


Test management

The pass rate of the first test more than 90%

Equipped with various advanced testing instruments



Add: Jiuhua Industiral Park,Xiangtan City,Hunan Province,China


Call us:+86-0731-55599916


Hunan M&W Pump Co., Ltd   湘ICP备14003804号-2      Manager