of the company won the "May 1st" labor medal and other awards of Dezhou City
Tongyu heavy industry won the title of "Excellent Organization for 40 Years of TQM in Shandong Province"
Tongyu heavy industry won the "top 100 suppliers in China's petroleum and chemical industry in 2019"
Tongyu Heavy Industry holds 2019 staff basketball game to welcome National Day
Tender & Bidding
Bidding documents for water pumps
Machine tool equipment painting tender documents
Electroslag furnace transformer bidding documents
Machine tool processing equipment bidding documents