Safety pin is a common standard part commonly used in shelves, with nominal diameter of 3 / 8 (mm).
Stainless steel or plain carbon steel is used as the bolt part. The head is galvanized with iron and aluminum. The aluminum is oxidized. The products are used for electrical appliances, shelves or ...
Here are two types wave washer to introduce.
The first type: wave spring washer DIN137B
The second type: curved/saddle spring washer DIN137A
Pls check the difference of these two shapes.
In 2021, the date of the Chinese Dragon Boat Festival (端午节) falls on June 14, which is Thursday. It is known as the Duanwu Festival in China, falls on the fifth day of the fifth lunar month every year, which was established to commemorate a notable official and patriotic poet Qu Yuan.
As the ...
Since the beginning of the month, this wave of rise in the exchange rate of the renminbi against the US dollar has caught foreign traders by surprise. On May 28, the offshore and onshore RMB against the U.S. dollar broke through the 6.35 and 6.37 barriers, respectively, refreshing the highest lev...
Corrosion is the destruction or deterioration of materials or their properties caused by the environment. Most of the corrosion occurs in the atmospheric environment. The atmosphere contains corrosive components and corrosive factors such as oxygen, humidity, temperature changes and pollutants. S...
On the afternoon of March 29, Yongnian District started construction of three key projects with a total investment of 4.43 billion yuan, which are Civilization Center, High-end Fastener Inland Port and Raw Material Base Project and China Yongnian Fastener Technical Service Center Project.The Civi...
Friday futures night trading black commodity prices hit a new record, every day is witness history!May 8, Tangshan Changli area steel mill general billet ex-factory price rose 130 yuan, the price of 5350 yuan, with the continuous ris...
This has brought some changes. This report also describes the impact of COVID-19 on the global market.
The research report also introduced the rising technology in the construction and construction plastic fastener market. Explains in detail the factors that promote market growth and actively pro...
Dear Mrs and Sir
Thanks to international labor day is around the corner ,we will go on a vacation from 05/01th to 05/05th for three days sorry for the inconvenience cause by that ,we will get back to work on 05/06th. Please noted that ,thanks.