Zhichuan Technology (Shanghai) Co., Ltd. is a technology enterprise focusing on the R&D, production and sales of wireless sensors and wireless inclinometers. Address: No. 639 Guangzhong Road, Minhang District, Shanghai Email: contact@zclink.com 24hr Hotline: +86 21 64908095 Address: No.639 Guangzhong Road, Shanghai 201108, China E-mail: contact@zclink.com E-mail: support@zclink.com Whatsapp: +86 18149769961 Address:412# Section A, Building 1, Haiping International Industrial Park Yuelu District, Changsha, Hunan, China Address: 251 Cochrane Terrace, Milton, ON L9T 8A4, Canada E-mail: thomas.liu@zclink.com Geotechnical Inclinometer Historic Buildings Protection