Anhui Ningguo Dongbo Fastener Co.,Ltd
Especially in DIN,ANS,JIS,standard.With the best quality and the capacity of more than 200 million pieces one monthly,we are honored as a committee member by National Fastener Standardization Technical Committee in 2014,and helped to revise three standards of retaining rings and three standards of disc spring washer.
|Industry Focus||Industrial Supplies|
|Business Categories||Machinery Designing & Processing|
|Products/Services||All kinds of retaining ring|