The production process of high purity tungsten plate tungsten billet (raw material) - inspection - hot rolling - leveling and annealing - alkali washing - inspection - warm rolling - vacuum annealing - inspection - leveling - shearing - vacuum annealing -
Kench electronic new design car window honeycomb format electric curtain for luxury van mpv adopts motor control to pull up and control the opening and closing of honeycomb grid cloth.
Cold-rolled steel sheet is made from hot-rolled coils and rolled at a temperature below the recrystallization temperature. Cold-rolled steel sheets are steel sheets produced through the cold rolling process, referred to as cold plates.
Silicon metal is widely used in refractory material, powder metallurgy industry, it is a good antioxidant. To join in the refractory metal silicon can react with oxygen, first to form a new mine closed porosity, improve the density, prevent the penetratio
The stainless steel mirror sheet is also called the mirror panel. The polishing liquid is used to polish the surface of the stainless steel plate through a polishing device, so that the brightness of the plate surface is as clear as a mirror.
The earphone tube is designed to be rotated and detachable. It is made of standard stainless steel. Every time you screw on the tube, it is full of ceremony!
Hydration pocket inside the pack;Hydration system drink tube exit hole on the top of the backpack;Zipper front pocket measures 300mm * 370mm;Strap and clip around the backpack, able to add-on pouches and accessories;
Main large and divided compartments helps boys to carry different books and little things.Well padded and comfortable back panel and straps are the most important points of this design as a school backpack.