Leveraging automated production lines and digital management, we deliver stable and reliable surface‑treatment solutions for high‑end manufacturing.
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About Us
Dalian Yongguang Technology Co.,Ltd.
Dalian Yongguang Technology Co., Ltd. was established in April 2001 and is a surface treatment processing enterprise located at No. 5 Yichun Road, Jinpu New Area, Dalian. In 2021, through the acquisition of Dao (Dalian) Automotive Products Co., Ltd., it set up the Bonded Zone Branch of Dalian Yongguang Technology Co., Ltd., situated at No. 3-3 Kaigang Road, Dalian Bonded Zone, engaging in surface treatment processing and the manufacture of specialized equipment for environmental protection.
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Product Center
The main surface treatments include: electrophoretic coating, KUMIT (zinc–aluminum coating), aluminum anodizing, and aluminum conversion coating; chemical nickel plating, chemical tin plating, and chemical copper plating; electroplated zinc–nickel alloy, electroplated zinc–iron alloy, electroplated zinc–tin alloy, as well as zinc plating, tin plating, copper plating, nickel plating, decorative chrome plating, silver plating, gold plating, and other alloy electroplatings; phosphating, Teflon coating, and acid pickling and passivation for copper and iron parts, among others.
Equipment Display
Yongguang Technology has 13 surface treatment production lines in operation, while the bonded zone branch has put 6 relatively advanced production lines into service: an electrophoretic automatic line, an acidic zinc-nickel alloy automatic line, a coating line, a phosphating line, an acid pickling and passivation line, and an automatic hanging tin-plating line. In addition, the bonded zone branch has completed applications for 19 more production lines, which will be gradually constructed according to schedule.
Acidic Zinc-Nickel Alloy Automated Line
Phosphating Automatic Line
Phosphating Automatic Line
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News Center
Over 25 years of development, the company has built a highly qualified team of technical and managerial professionals, continuously innovating its surface‑treatment processes, production equipment, and environmental protection systems. Through rigorous testing, scientific management, and comprehensive services, it has steadily enhanced its competitiveness and established a strong brand presence in the surface‑treatment industry.
Industry Applications
The company provides supporting services to over 10 industries—including automotive, high-speed rail, aerospace, marine, and medical—and to more than 300 enterprises.
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