PROFILE LIST > History (en)

In 1995 Tsu Yun Sen Corporation was found by Mr. Yen Chung Chu whom has a manufacture leader experience more than 20 years. The capacity of valve guides is only sixty thousand at initial monthly.

In 1997 Our business expanded and relocated our plant from Wui chi to Longjing. What is more, our monthly output was 160 thousand pcs of valve guides.

In 1999 To meet customer requirements, TYS is lead-in valve seats.

In 2000 The line of valve guides for motorcycle was set up.

In 2002 We expanded the second production line of “Valve Seat” and our monthly output capacity can reach 30 thousand PCS.

In 2003 We broaden & increased our third production line of Valve Guides and our monthly output capacity is 240 thousand pcs for surely.

In 2004 To begin to be processed with CNC Computer lathe; this is for to supply valve guides to OEM.

In 2005 To add our second production line of Motorcycle Valve Guides, in the meantime, TYS becomes a factory whom offers valve guides and valve seats to OEM.

In 2006 We got ISO 9001:2000 Certificate.

In 2007 To expand our service, the R&D department was set up and had a successful development in SHIM, LASH CAP, PIN, VALVE SPRING RETAINER, VALVE COTTER and so on.

In 2007 In October 2007, we expanded our plant and go into the Engine Valves operation.

In 2008 We produced valve guide for Japanese OEM, and the output could be reach 350,000pcs monthly.

In 2009 We got ISO 9001:2008 Certificate and developed the valve guides was made in Copper Alloy successfully which material and quality is as the same as    OEM.

In 2010 We decided to consolidate our three plants to form two new ones; and developed valve guides and valve seats for OEM’s mower successfully.

In 2011 The output of valve guides could be reach 400,000pcs; and 50,000pcs for valve seats monthly.

In 2012 To provide valve guides to Taiwan’s OEM; and do plan the capacity of valve guides will be archive 600,000pcs monthly after three years.

TSU YUN SEN CORPORATION.   No.5, Aly. 40, Ln. 228, Taixi S. Rd., Longjing Dist., Taichung City 43445, Taiwan (R.O.C.)
Tel:(886)4-26394807,26394811  Fax:(886)4-26392051  E-mail:tys.cor@msa.hinet.net