Center self-locking nut / pistachio nuts

Wuxi Dipo Metal Industrial Co., Ltd was founded in 2004. It is the fastener branch of China Steel Structure Association, China Construction Metal Structure Association and China General Machine Components Association, the member of Metal Committee of China Building Decoration, and the Contract and Accredit Honoring Unit in Wuxi. It mainly produces Dipo standard components. Our company is a domestic-owned enterprise devoting itself to producing screws and nuts in such indus...