| Southern District Business Department_Kaohsiung | (07)337-5311 | (07)5366242 | 3 F, No. 3, Jianguo 1st Road, Lingya Dist., Kaohsiung City  |
| Lubricants Business Division | (07)536-1510 / (07)3375+Extension Number | (07)536-1442 | 3 F, No. 3, Jianguo 1st Road, Lingya Dist., Kaohsiung City |
| Production Section | (05)222-4171 | (05)223-2062 | No. 217, Minsheng South Road, Chiayi |
| Logistics Section | (07)805-5091 | (07)805-5096 | No. 31, Zhongshan 4th Road, Xiaogang District, Kaohsiung City |
| Northern District Finished Product Warehouse_Taoyuan | (03)4116830 | (02)8686-7113 | No. 83, Aly. 941, Sec. Gaoping, Zhongfeng Rd., Longtan Dist., Taoyuan City |
| Central District Business Department_Taichung | (04)2336-1297 | (04)2336-1301 | No. 267, Jianguo Road, Wuri District, Taichung City |
| Northern District Business Department_Hsinchu | (035)734310 | (035)735898 | No. 8-1, Daxue Road, Hsinchu City |
| Northern District Business Department_Taipei | (02)8725-9746 | (02)8789-9074 | 12th Floor, No. 3, Songren Road, Xinyi District, Taipei City |
| Eastern District Business Department_Hualien | (03)823-4389 | (03)823-9501 | No. 285, Dongxing Road, Hualien City |
| Central District Finished Product Warehouse_Taichung | (04)2699-0057 | (04)2699-0078 | No. 6, Lane 310, Section 2, Shatian Road, Dadu District, Taichung City |
| Southern District Finished Product Warehouse_Kaohsiung | (07)803-1434 | (07)806-0554 | No. 31, Zhongshan 4th Road, Xiaogang District, Kaohsiung City |
| Chiayi Finished Product Warehouse | (05)222-4171#7263 | (05)225-9130 | No. 217, Minsheng South Road, Chiayi |