Headquarter

No. 14, Ln. 141, Sec. 3, Beishen Rd., Shenkeng Dist., New Taipei City 222004 , Taiwan

TEL: +886-2-7705-8001

Business Related：CTI_inquiry@castlenet.com.tw

Technical Support：CTI_support@castlenet.com.tw

Shareholder Related：CTI_shareholder@castlenet.com.tw

Thailand Factory

138 Moo 4, Petchkasem Rd., Tambon Sarpang,Khao Yoi District, Phetchaburi 76140, Thailand

TEL: +66-32-447756