The technology of deposition under the vacuum environment has been improving over the past several years. It is generally classified into PVD (physical vapor deposition）and CVD (chemical vapor deposition). Physical…
Molybdenum sheet produced by general series of processes has a comparatively low production yield. The production yield can only be 50% to 60%. An even worse problem is that the…
The U.S government announced the imposition of the tariff on China will add to 200 billion dollars. Three months out president Trump and his republic party will face the midterm…
EDM (Electrical discharge machining), also known as spark machining, is a metal removal procedure which is applied in the electro-thermal process and CNC driven technology. The spark discharge (a high…
The price for spent lead-acid batteries and scrap lead witnessed a significant decline and dropped to the lowest level which is $41-42 cwt in more than 14 months. At the…
The X ray shielding material used for CT scanner requires the tungsten ribbon only width for 0.1-0.2mm with a tolerance of ±0.01mm. So that the tungsten ribbon can be qualified…
China decided to retaliate against the imposed tariff which is on $200 billion worth of Chinese imports to the US market. However, China itself will bear the negative effect of…