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Expansion phenomenon of the opening of the anti loosening spring washer
Spring washers, abbreviated as spring washers, are widely used fasteners with low cost and simple installation, commonly used to prevent nut loosening. Although spring washers are quite common, there may also be some issues during use ...Read more -
Hebei Duojia supports photovoltaic projects, creating a new benchmark for green energy
Hebei Duojia, as a leading fastener procurement solution service provider in China, has recently successfully participated in the supply of multiple water photovoltaic power generation projects. Photovoltaic power generation project is...Read more -
The load-bearing function of decryption washer
In the fastener industry, the role of washers goes far beyond the single function of protecting the surface of connectors from scratches caused by nuts. There are various types of gaskets, including flat gaskets, spring gaskets, anti loosening gaskets, and special purpos...Read more -
The magical power and wide application of anchors
Anchor, seemingly ordinary building accessories, actually play an indispensable role in modern architecture and daily life. They have become a bridge connecting stability and safety with their unique fixing mechanism and wide application fields. Anchors, as the name sugg...Read more -
Common methods for blackening treatment of stainless steel
In industrial production, there are two types of surface treatment: physical treatment process and chemical treatment process. Blackening of stainless steel surface is a commonly used process in chemical treatment. Principle: By chemic...Read more -
Technological innovation forges the ‘small screw’ industry
Fasteners are a characteristic industry in Yongnian District, Handan, and one of the top ten characteristic industries in Hebei Province. They are known as the "rice of industry" and are widely used in manufacturing, construction engineering, and other fields. It is indi...Read more -
Hand in hand, create a better future together
In the wave of global economic integration, China and Russia, as key strategic partners, have continuously strengthened their trade ties, opening up unprecedented business opportunities for enterprises. In recent years, the trade relationship between China and Russia has...Read more -
Carriage bolts – forgotten history and art
Carriage bolts are an important industrial component with a Carriage bolts are an important industrial component with a history dating back to ancient times. In ancient Rome, people began to use bolts to secure carriage wheels. With the development of industry, carriage ...Read more -
Export goods to Europe and the United States, and establish long-term and stable cooperation models and programs
Everyone knows that Yongnian is the “fastener capital of China”, Yongnian is full of skilled craftsmen, but few people know that as early as the Spring and Autumn period, the ancestors living in Yongnian will be connected with fasteners, located in the Hongji Bridge in Yongnian Distri...Read more -
On September 12, carbon steel galvanized Hollow Anchor was sold to Italy
HI everyone, This is Pearl from Hebei Duojia Metal Products Co., ltd. On September 12,this products was sold to Italy. This is the advantage of our factory. From raw material testing to production and processing, every step of the process has been followed up methodically, and the q...Read more -
Do you know the role of screws?
The function of the screw is to connect two workpieces together to act as a fastening. Screws are used in general equipment, such as mobile phones, computers, automobiles, bicycles, various machine tools, equipment, and almost all machines. Screws are needed. Screws are indispensable industrial n...Read more -
Cold heading, custom furniture screws from Turkish customers, various screws can be customized
Fastener industry is the traditional pillar industry of Yongnian, originated in the 1960s, after more than 50 years of development, has become one of the ten characteristic industries in Hebei Province, has won the “China’s most influential fastener industry cluster”, “the...Read more