"We are very satisfied with the bolts and nuts produced in your country. We will continue to cooperate." Not long ago, an oil conglomerate in Algeria, a big oil company in North Africa, came to Zhejiang, a high-strength fastener located in the town of Shaoxing County, Zhejiang. Co., Ltd. expressed great appreciation for the quality of the high-strength fasteners produced by the company for oil extraction, and reached a long-term cooperation agreement with the fastener company in the country to ensure that the company's annual export amounted to more than 10 million yuan. At the same time, the plant has become the only company designated by PetroChina to produce bolts for petroleum pipelines. This "point" breaks the history of the EU member states in Algeria to "unify the world" and also earns a huge profit for the company.