This is an inquiry message about Extension Spring in the 108th China Canton Fair. (这是一条买家关于"Extension Spring"的询盘信息,来自第108届中国广交会。)Inquiry Message (询盘信息) Extension Spring I have a machine spring 5/16"" O.D.,wire size is 0.040, approz I.D is 0.230, length is 4.00 inches Contact Info (联系信息) John Schettko 80229 Company: Trustile Doors, LLC E-mail: john.schettko@trustile.com john.schettko@trustile.com