The after-sales service technical team from Qingdao Huashida Machinery Co., Ltd. entered the Chongqing POWERCHINA ROADBRIDGE GROUP CO.,LTD. Plant for 36 work days. Since November 5th to today. After 36 consecutive days of hard work, The assembly work of the internal and external epoxy anti-corrosion coating pipe production line (model DN600-DN2600mm) has been progressing smoothly. The entire steel pipe 3lpe anticorrosion coating production line will be fully assembled.