In 2020, Jiangyin Zhongyi Electric Co., Ltd. produced seamless pipe online electromagnetic induction heating equipment in Zhejiang Taifu Seamless Steel Pipe Co., Ltd φ 559* δ 15.3~ δ 85 to φ 914* δ 20~ δ 135. The 14m long seamless pipe is heated to 700 ℃ ~ 850 ℃ at room temperature to achieve energy-saving and efficient heating.