This is an inquiry message about Model 438A Electronic Vibration Switch in the 108th China Canton Fair. (这是一条买家关于"Model 438A Electronic Vibration Switch"的询盘信息,来自第108届中国广交会。)Inquiry Message (询盘信息) Model 438A Electronic Vibration Switch I will installing the vibration switch on a veticle cement mill. I need a complete installation manual along with the specs for the unit. Could you Email one to my address? Thanks for your assistance in this matter. Have a great day, Bill Morton Contact Info (联系信息) william morton 30009 USA Company: inp North America E-mail: bill.morton@inp-e.com bill.morton@inp-e.com