Crane refers to a multi-action hoisting machine that vertically lifts and horizontally transports heavy objects within a certain range. Also known as overhead crane, aerial crane, crane.The slewing bearing used by the crane is mainly heavy-duty slewing be
Bauxite is a kind of earthy mineral containing aluminum element. In order to make full use of the value of bauxite in production, it needs to be calcined.
Yantai blue speed mechanical and electrical equipment co., LTD. Is committed to the production and sales of mini power tiller tractor service international customers in more than 20 countries.
Steel wire screw sleeve is a new type of thread fastener, which is made of high strength, high precision and smooth surface stainless steel wire with diamond section.
The vivid and cute 3D children book size is 235*235*20mm. The cover and inner page is 300gsm C1S artpaper mounted 300gsm C1S artpaper, glossy lamination for outside and outside cover each inner page. And each pages are 4+4 fullcolor printing, the ink is q