Almost everything we manufacture, large diameter or small, is custom. Whether we are making a standard product that our customers cannot find or a hard-to-source custom bolt and fastener, JIU HENG has you covered. Customers come to JIU HENG for make to print or "Blue Print Specials." We can custom manufacture to your specification and hold very tight tolerances. Big Bolt also is capable of for start up projects and many. We offer a broad range of material types – over 250 to be exact. Our in-house capabilities, including a broad range of secondary operations, make JIU HENG the go-to supplier for all your specialty fastener requirements.