Baoding Sanzheng Electrical Equipment Co., Ltd. is a professional manufacturer of induction heating equipment, and a high-tech modern enterprise with integration of research, development and production.
Weld seam online annealing is an advanced process for the production of high-grade steel pipes. The steel pipe weld seam is heated above the critical temperature, and then annealed to eliminate welding residual stress and improve the microstructure, so that the weld seam and its heat affected zone have the same microstructure, toughness, and strength properties as the base material.MORE
Painting and drying, plastic spraying and curing of inner/outer surfaces of steel pipes, stainless steel pipes, and non-ferrous metal pipes to improve the corrosion resistance of the pipes.MORE
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