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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 -
Combination screws VS Regular screws
Compared with ordinary screws, combination screws have multiple advantages, which are mainly reflected in the following aspects: Advantages in structure and design (1) Combination structure: The combination screw is composed of three components: the screw, the spring washer, and the flat washer...Read more -
Performance differences and replacement traps between high-strength bolts of grade 10.9 and grade 12.9
From the most basic mechanical performance indicators, the nominal tensile strength of 10.9 grade high-strength bolts reaches 1000MPa, while the yield strength is calculated as 900MPa through the yield strength ratio (0.9). This means that when subjected to tensile force, the maximum tensile forc...Read more -
DACROMAT: Leading Industry Change with Excellent Performance
DACROMAT， As its English name, it is gradually becoming synonymous with the industrial pursuit of high-quality and environmentally friendly anti-corrosion treatment solutions. We will delve into the unique charm of Dakro craftsmanship and take you on a journey to unders...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 -
The 2024 Malaysia International Hardware Exhibition, MBAM ONEWARE
OneWare Malaysia International Hardware Exhibition is the only professional hardware tool trade exhibition in Malaysia. The exhibition has been held in Malaysia for three consecutive years, initiated by the Malaysian Institute of Architects (VNet) and sup...Read more -
HARDWARE TOOL & FASTENER EXPOSOUTHEAST ASIA
Recently, the HARDWARE TOOL&FASTENER EXPOOUTHEAD ASIA exhibition, which has attracted industry attention, is about to kick off. With the rapid development of the global manufacturing industry, fasteners, as an ind...Read more -
The 136th Canton Fair, be there or be square
The 135th Canton Fair has attracted over 120000 overseas buyers from 212 countries and regions worldwide, an increase of 22.7% compared to the same period last year. In addition to purchasing Chinese goods, many overseas enterprises have also brought many high-quality products, which also shone b...Read more -
Twelve Angle flange face bolt
12 angle flange bolt is a threaded fastener used to connect two flanges, with a hexagonal head of 12 angles, making it easier to operate during installation. This type of bolt has the characteristics of high strength, durability, and reliability, and has been widely used in various engineering pr...Read more -
Craftsmanship: The Perfect Integration of Tradition and Modernity
Our company DuoJia adheres to market demand orientation and actively develops new products with foresight and practicality. By gaining a deep understanding of industry trends and customer needs, we continuously adjust our product strategy to ensure that our products always stay at the forefront o...Read more -
Unleash potential and move forward courageously
Our company, Duojia, has been deeply involved in the field of foreign trade for many years, always adhering to the business philosophy of "customer first, quality first". Recently, we have successfully reached strategic cooperation agreements with many well-known enterpr...Read more