... 1. material:carbon steel 2. standard:GB/DIN/ANSI.etc various of standard and non-standard fasteners (bolts, nuts, screws, etc) 1. ... 25-30days after order confirmation.According to customers` drawings and/or samples or designed by ourseOur products have been exported ... as United States, Saudi Arabia,Europe,South Korea,Southeast various of standard and non-standard fasteners (bolts, nuts, screws, etc)