9热视频这里只有精品,少妇一级黄色婬片免费看,无码人妻一级毛片免费换脸,欧美一级婬片A片免费有限公司,肥婆BBBBBBBBB高清视频
About us
Detailed information
CURRENT LOCATION:Home > News Center >Detailed information
WHZWM Authorized Eighteen Patents in 2017
Release time:2017-11-24    Read:332

Wuhan Zhengwei Machinery Co., Ltd. (WHZWM) is keen on the enterprise development road of “Technological Innovation, Specializing Pursuance”. We centralize our technical back bones and focus on providing customized and optimized solution and proposal for our valuable clients in Polyurethane Field. A number of technical challenges have successfully broken through, creating many new inventions and initiatives and made pioneer of the industry. 


Only in 2017, our company has been authorized 18 patents for invention by the state Intellectual Property Office.