Sapphire, do you know it? In regularly, it always shines, has blue color, edges and corners covered on its surface. But what we referred here is not the sapphire in the jewelry. It is ….in the following: Yesterday, we received an inquiry of sapphire growth furnace parts which were made of pure molybdenum, tungsten and steel. It had so many parts and I got 73 drawings from my customer, it just made me crazy. Today, I send out the quotation table and drawings which were drew by me and my chinatungsten colleagues with CAD. Ahha~ CAD, just let me get the chance to practice this skill. Mentioned ... ...Read More>>