Qingdao Nianxin Environment Tech Co., Ltd.

Follow

Organization

Jiaozhou City, Qingdao, Shandong, CN

Organizations

Please log in for detailed analytics

Patents Grantslast 30 patents

Information Patent Grant
Longitudinal sleeper and damping railway system thereof
- Patent number 8,727,229
- Issue date May 20, 2014
- Qingdao Nianxin Environment Tech Co., Ltd.
- Lin Qi
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES

Patents Applicationslast 30 patents

Information Patent Application
LONGITUDINAL SLEEPER AND DAMPING RAILWAY SYSTEM THEREOF
- Publication number 20120286056
- Publication date Nov 15, 2012
- Qingdao Nianxin Environment Tech Co., Ltd.
- Lin Qi
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES

Trademarklast 30 trademarks