We can manufacture various high quality fasteners which meet the GB,Website:http://www.chinajinrui.net, DIN, ANSI, JIS and ISO standard with a R&D department.Its products are widely used in petrochemical industry,boiler, wind power generation, guardrail panel of expressway, elevator industry ,machinery, building materials,auto parts and other fields.We have 2 engineers and 5 QA Inspectors. Engineers mainly design the drawings and moulds,etc. The company has passed ISO9001:2008 international quality system certification in 2001 and TS/16949 automobile quality control system in 2012.TS/16949 certificats stands high quality requirements on factory. 1) what is customized bolt or nut? Customized fasteners also are named non-standard fasteners. It means that bolt or nut is designed for special or new usages. 2) What information do we need for quoting ?We need technical drawing, or detail dimensions,or samples of customized fasteners. Also need requirements of material, grade,finish, quantity.3) Could you get samples of non-standard bolt or nut, or something else fasteners?Yes, but for customized hardwares, usually they need to make new mould, so you should pay mould charge if you need samples. We have a very good ablity to develop new designed bolt or nut, so please feel free to inquiry if you need to cusomize fasteners.