The shell

Dec,21,2019

The hot water bottle is made of double glass

Dec,21,2019

The hot water bottle

Dec,21,2019

There are three ways of transferring heat

Dec,21,2019

Identification of plastic parts

Dec,11,2019

Vacuum cup seal performance identification me...

Dec,11,2019

The temperature and humidity of the material

Dec,04,2019

Thermal conductivity of materials

Dec,04,2019

Heat resistance is the ability of stainless s...

Nov,15,2019

Corrosion resistance to polishing

Nov,15,2019

Heat travels in three ways

Nov,08,2019

Vacuum cup

Nov,08,2019

Characteristics of thermal radiation

Nov,02,2019

Thermal radiation

Nov,02,2019

Stainless steel vacuum cup maintenance method

Oct,16,2019

Stainless steel material simple identificatio...

Oct,16,2019

Simple identification of capacity

Oct,16,2019

Plastic parts identification method

Oct,16,2019

Seal performance identification method

Oct,16,2019

Simple identification method of vacuum insula...

Oct,16,2019