| New Products |
 |
|
| About Us |
 |
 |
99. 5% Aluminum Oxide, Carborundum, Mechanical Seals (vessel Seals), 99% Aluminum Oxide, Hard Alloy, Carbide....
|
|
| Company Profile |
 |
|
|
Company NameNingbo Dongya Sealing Materials Chang / Ningbo Donglian Sealing Materi Ownership &Capital Year Established1992 Factory Information Factory Size
|
|
|
|