China Special Bolts, Inc. was established in 2005. We located in alloy industrial park of Shiyan Town, Dongtai City, Jiangsu, China and cover an area of about 15,000 square meters. With over 10 years experience specializing in alloy fasteners. As a high technology alloy manufacturer, we can produce bolts, nuts, studs/threaded rods, screws according to ASME / ASTM / DIN standard and specifications.