The bi-metal rivet was originally developed by the original Cherry company in the 1980s. It can replace the double-piece shear-type titanium alloy high-lock bolt and the shear-type titanium ring groove rivet. In 1974, the United States applied for a patent for a bimetallic rivet. The expert described the structural shape of the bimetallic rivet before and after riveting. The shape of the different welds of the bimetallic rivet was summarized. The spherical weld, the curved weld and the annular weld were listed. Different weld position shapes, and it is considered that the spherical weld is the most economical and easy to form, and the shape of the annular weld is the most difficult to shape.

Supplier introduction

The company was established on May 4, 1998. On October 1, 2000, it was officially renamed as Wenzhou Saijin Electric Alloy Co., Ltd., and the Ministry of Foreign Trade was established in 2008. The target turnover in 2010 was 10 million US dollars.