2025-4-2Notice on the "2nd Youth Innovation Forum on Shield Tunneling Engineering Technology"
2019-12-24 Thanks for your support to Topco in the past, wish you a Merry Christmas and a Happy New Year.
2016-1-6CSSOPE 2016:A Timely Event for Petroleum and Chemical Equipment Manufactures to Be Global Players
After more than ten years of rapid development, China petroleum and chemical equipment manufacturing industry has made great progress.The Belt and Road Initiative aims to promote the competitive of Chinese manufacturing enterprises to go abroad. However, the industry has affected by the dropping of crude oil price in the recent year