en.Wedoany.com Reported - Zhao Yanfeng, a "post-96" welder from Bohai Shipbuilding under China State Shipbuilding Corporation, recently received the National May Day Labor Medal. This young worker, who has been rooted in the production frontline for seven years, earned this honor through his welding skills and contributions to his position.

Since entering the workshop in 2019, Zhao Yanfeng started as a novice with uneven welds and gradually mastered welding techniques through continuous practice. Over seven years, he has completed nearly 10,000 welding test pieces and structural components. In 2020, he was selected for the Gu Hongxin Model Worker Innovation Studio at Bohai Shipbuilding, while also taking on the role of part-time welding training instructor. He has successively won first place in the welder category of the Liaoning Provincial Workers' Vocational Skills Competition, the Liaoning Provincial May Day Labor Medal, and the title of Liaoning Technical Expert.

The pass rate of products welded by Zhao Yanfeng has consistently remained at 100%. During construction tasks, to address the challenge of working in confined spaces, he adopted a method of bending the welding rod and using a mirror to reflect and observe the molten pool, completing the work with a one-time pass in weld flaw detection. He also innovatively used the "inverted welding method" for special welding positions, solving production bottlenecks. As a part-time instructor, he summarized learning mnemonics to help trainees quickly get started, and participated in technical innovations, assisting in optimizing the marking device for test pipe inspection lines. This device has been put into use and is eligible for national patent application.

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