Qingdao Everhigher Industry & Trade Co., Ltd. specializes in manufacturing and exporting various bolts, nuts, washers and pins as per DIN, ISO, ANSI and JIS standard or as per customer's drawing and samples with different material and grade, material we using is low carton steel, middle carton steel, alloy steel, stainless steel and coper. Grade from G4-10.9. Size range in dia: M3-380, size range in length: 4mm-300mm. Our company is located in Qingdao city, Shangdong province which in the southeast of the Shandong Peninsula. As a significant economic center and port city where along the Yellow River basin and Pacific west bank, it offers a very convenient transportation in China.We always ensure our customers with high quality products, reasonable prices, timely delivery time and satisfactory after-sale service. We warmly welcome customers from home and abroad to contact us and looking forward to establish mutually beneficial and long term business relationship in near future.