About Colloidal Gold Nano Gold Solution:Colloidal gold benefits:Nanogold is made by using high purity gold as raw material, through a special new processing technology to make gold particle size of 15nm or less, greatly improve the inherent character
There are many types of lubricants available, from motor oils to special lubricants such as lithium-based lubricants.
TC4(Ti6Al4V) alloy is a medium strength α-β type two-phase titanium alloy containing 6% α-stabilizing element AI and 4% β-stabilizing element V.
Lithium batteries were first used in pacemakers.
Foam concrete wall casting methods can be divided into three types: removable formwork casting, formwork-free casting and sandwich wall casting. Among these three types of casting methods, the mold-free casting method is widely used.