... bolt(according to your order),etc3.MaterialCarbon Steel,Alloy steel,stainless steel and brass4.Grade4.8,6.8,8.8,10.9 etc5.FinishBlack, ... client’s requirement in delivery,we adopt inventory-based sales and abundant stock.Meanwhile ,as large quantity of exported fasteners ... invest Hunan Lengshuijiang Boda Steel Co.,Ltd and established Lengshuijiang Boqiang Rivet and Screw Steel Co.,Ltd which is capable ...