Our advantage

1         price advantage    We are manufacturer, and control the full process from melting to packing

2         specialized , Concentrate on malleable iron casting for nearly 20 years.

3         Meet international standard

4         Quality control .  100% surface checking and water pressure testing before loading.

5         Professional packing

6         After sales service    we value all feedbacks from our customers, and reply within 24h.

7         Quick delivery :  

“DUNHUI” is your correct choice. Welcome to visit 

1.   NPT thread banded malleable cast iron pipe fitting elbow 90 degree

2. Materials Specifications and Type

3. Product Process

4. Carbon steel flange pictures

5. Technical Standard: 

 Certification: ISO9001:2008 

 6. Personnel station:

  Have professional salesmen, and 6 Engineers, More than 30 inspectors. 

 7. Quality and Safety:

We have a very strict and complete quality control system, which promises that goods we produced are always of the best quality, the enough inspectors to ensure that each product can meet the quality requirements of customers. We do the final inspection in own factory with ISO 9001:2008.

8.Location:

 DUNHUI has a convenient location at the city’s exporting business zone, Dongli District. We are only 9 km to Tianjin  International Airport, and very close to major highways,TIANJIN port. We look forward to work with your business!