This is an inquiry message about Customized Springs in the 108th China Canton Fair. (这是一条买家关于'Customized Springs'的询盘信息,来自第108届中国广交会。)Inquiry Message (询盘信息) Customized Springs Good morning, My name is Jason Chou. I am an assistant engineer at Quincy Engineering in Sacramento, California. We are currently working on the Foresthill-Auburn Bridge seismic retrofit. For our retrofit we are interested in using extension springs under extreme earthquake loads. Can you manufacture springs that meets the ballpark specifications below? Please call or email me at your earliest convenience! Thank you. Effective specification of 2 to 5 springs in parallel: Effective Rate = 1,000 lb/in (ie 200 to 500 lb/in per spring) Free Length per spring = 18 in to 24 in Extended Length per spring = 7 in Outside Diameter per spring = less than 6 in Wire Diameter per spring = no limit Active Coil / pitch per spring = no limit _________________________ Jason Chou, MS, EIT Quincy Engineering, Inc 3247 Ramos Circle Sacramento, CA 95827-2501 (916) 368-9181 phone (916) 368-1308 fax jasonc@quincyeng.com Contact Info (联系信息) Jason Chou 3247 Ramos Circle Sacramento, CA 95827-2501 USA Company: Quincy Engineering, Inc Phone: (916) 368-9181 E-mail: jasonc@quincyeng.com jasonc@quincyeng.com mingluji.com2011-2012Contact Us(联系我们) Mobile | Computer