Head Office
Abrasives Business Unit
No.64, Zhongshan Rd., Yingge Dist., New Taipei City 239010, Taiwan
+886-2-2679-1931 ext.3201
+886-2-2670-3031
Yingge Sales Office
No.64, Zhongshan Rd., Yingge Dist., New Taipei City 239010, Taiwan
+886-2-2679-1931 ext.2120
+886-2-8677-2969
Hsinchu Sales Office
No.6, Wenhua Rd., Hukou, Hsinchu Ind. Park, Hsinchu County 303035, Taiwan
+886-3-598-4990 ext.3700
+886-3-696-0491
Taichung Sales Office
No.177, Jiande St., East Dist., Taichung City 401014, Taiwan
+886-4-2287-7611
+886-4-2287-7742
Changhua Sales Office
No.437, Lunping S. Rd., Changhua City, Changhua County 500050, Taiwan
+886-4-751-8901
+886-4-751-8882
Tainan Sales Office
No.30, Beicheng Rd., North Dist., Tainan City 704020, Taiwan
+886-6-252-2321
+886-6-252-2265
Kaohsiung Sales Office
No.501, Haijing St., Zuoying Dist., Kaohsiung City 813003, Taiwan
+886-7-345-4567
+886-7-581-8168
Hongia Industry Co, Ltd.
No. 2, Yucuo Ln., Dahu Rd., Yingge Dist., New Taipei City 239008, Taiwan
+886 2 2679-1006
+886 2 2679-3101
Diamond Business Unit
Yingge Factory
No.64, Zhongshan Rd., Yingge Dist., New Taipei City 239010, Taiwan
+886-2-2679-1931
+886-2-2670-3031
Shulin Factory
No.16, Ln. 151, Sec. 2, Zhongshan Rd., Shulin Dist., New Taipei City 238010, Taiwan
+886-2-8684-4111
+886-2-8686-3131
Hsinchu Factory
No.6, Wenhua Rd., Hukou, Hsinchu Ind. Park, Hsinchu County 303035, Taiwan
+886-3-598-4990
+886-3-598-4003
Semiconductor Materials Business Unit
Zhubei Fatory
No.260, Shixing Rd., Zhubei City, Hsinchu County 302059, Taiwan
+886-3-550-7160
+886-3-550-7170
Science Park Factory
No. 6, Kebei 5th Rd., Jhunan Township,Miaoli County 350401, Taiwan
+886-3-758-5328
+886-3-758-5329