On December 4th, the Ministry of Industry and Information Technology of China finally issued a 4G license. For operators, the first thing to do after getting a license is to upgrade the signal base station, which also makes the public worried. In the end, how wide is the radiation range of the

Example of the test of the insertion force tester The 1220SA plug-in force tester not only can test the plug-in force of the connector, but also has many functions such as: breaking force test, constant tensile stress test, impedance test, single PIN retention test, positive force test, etc. Desc

If you want to take a hot bath every day, then you can choose a bathtub to go home; if you don't know which bathtub to choose, then let's take a look at the characteristics of various baths. Cast iron bathtub Due to the thick wall of the bathtub, its outstanding feature is its good t

Shanghai spot copper price chart January 6 Metric Fittings, a kind of Swaged Hose Fitting or hose connector used for connecting braided hoses. Features of metric fittings: 1.Material: plain carbon steel 2. Processing equipment: CNC machine 3. Surface treatment: Zinc 4. Qua

Home>Bearing knowledge>Features of powder metallurgy oil bearing /*728*90 created on 2018/5/16*/ var cpro_id = "u3440131"; Features of powder metallurgy oil bearing Source: China Bearing Network Time: 2014-01-04 /*250*250 was created on 2017/12/25*/ var cpro_id = 'u3171089

The company and all members of the board of directors guarantee that the contents of the announcement are true, accurate and complete, and there are no false records, misleading statements or major omissions. On December 29, 2013, the board of directors of Henan Sifangda Superhard Materials Co., Lt

Misunderstanding 1, the more shower function, the better Showers are divided into functions, which can be divided into shower bars, showers and shower panels. The shower column has only a hand shower and a shower faucet, while the shower head has one more spray than the shower column. The fun