China’s super-American becomes the world’s largest …

In 2013, China’s total import and export trade exceeded the historical threshold of US$4 trillion for the first time, reaching US$4.16 trillion, replacing the United States as the world’s largest trading nation. Analysts said that in 2013, China's total trade volume is expected to ...more

Steel prices are expected to rise after the Spring Fest…

Since mid-December last year, steel prices have continued to fall in the desperate situation of “winter storage and no road”, fully demonstrating the tragic picture of the steel market during the off-season consumption period and facing financial constraints. Shanghai Grade 3 r ...more

The material and function of NSK bearings

Home>Bearing knowledge>Contacting materials and functions of NSK bearings /*728*90 created on 2018/5/16*/ var cpro_id = "u3440131"; The material and function of NSK bearings Source: China Bearing Network Time: 2014-01-14 /*250*250 was created on 2017/12/25*/ var cpro_id = ' ...more

Infrared waterproof camera image problem solution

In the security television monitoring system, with the improvement of people's safety awareness, the need for 24-hour continuous monitoring of television monitoring in important venues and the maturity of infrared imaging technology, the use of infrared waterproof cameras has become increasingl ...more

High carbon chromium stainless bearing steel

High carbon chromium stainless steel bearing grade, chemical composition, mechanical properties, high carbon chromium stainless steel bearing grades and chemical composition Brand Chemical composition (mass fraction) (%) C Si Mn P S Cr Mo ≤ 9Crl8 0.90 to 1.00 0.08 0.08 0.035 ...more

"LED car lights" modification should pay atte…

For a car, the lights are like its "eyes", and nowadays energy-saving, environmentally friendly, and smaller LED lights become a popular element of decorative cars. For example, LED car headlights, LED brake lights, LED reversing lights, LED flashing lights, LED daytime running light ...more

The role of pesticide penetrants is crucial

Pesticide production of pesticides penetrant is a profession additives, pesticides penetrant can play what role? Because many pesticides need to be diluted before use, it is necessary to add certain pesticide penetrants, which have synergistic effects. Penetrants are essential ...more