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1978	Chairman Ching-Chi Hsu established “LIEN CHEN IRONWORKS”, focused mainly on lathe machining industries.
1988	Applied for “ LIEN JENG INDUSTRIAL CO., LTD.”
1988	Established “Vyu Cheng Industrial Co., Ltd.”, focusing on machine related industries such as CNC lathes, milling machines, machine spindles, sleeves and vertical grinding machines. In the same year, we expanded “TUNG YUH MACHINERY CO., LTD”, focusing on high precision machining, mid to large scaled workpiece machining, and lathe spindle machining & grinding.
2006	The addition of “GUAN JING GRINDING INDUSTRY CO., LTD.” took back the originally outsourced grinding process, it completed Vyu Cheng’s processing capability. Controlling each and every process effectively, resulting in better and more stable quality.
2008	The addition of “J-G ACCURATE TECHNIQUE INDUSTRIAL CO.,LTD”, let it become main base for high precision vertical grinding and accuracy inspection, and continuously improve the grinding process quality of the precision products.
2014	Vyu Cheng had been established at No.76, Wuguang Rd., Wuri Dist., Taichung City, integrating turning, milling and grinding procedures into one factory, achieving the manufacturing efficiency of a continuous line of service.
2014	Vyu Cheng breaks the restrictions of being a machining factory, creating its very own brand, becoming a professional spindle factory through the establishment of a spindle product department to achieve a continuous line from the production of the spare parts to the assembly of the finished spindle product.