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:alicia@tysvalveguide.com