Qingdao Optimum Fastener Industry Co., Ltd

We are one of the leading manufacturer and exporter in China which specializes producing various construction hardware, such as bolts, nuts, nails, threade rod , washer, screws rivets turnbuckles shackles, etc, mainly exported to North America, Japan, West Europe, Australia other ...

Telephone：86-53286970296Address：Xiangjiang Road, Qingdao, Shandong, China