Hello everyone: Our company Hangzhou Xiaoshan Qingyuan Metal Products Co.,Ltd. located in between Shanghai Port and Ningbo Port. We mainly manufacture many different kinds of metal products, such as flat washer/ spring washer/ Square washer stamping hardware bolt nut and others fasteners. At present we are one of the best manufacturers in the fasteners line in China. If you are interested in importing fasteners from CHINA, Please don not to hesitate to contact me. Thanks.