Different quality jade maintenance skills

The general methods of jade maintenance, such as frequent cleaning, avoiding violent collisions, and away from grease chemicals, many collectors may be well aware. However, in addition to this, jade of different qualities also need to have unique care and maintenan

Silk T-shirt introduction

Silk, silkworm silkworm cocoon secretion silkworm coagulation made of continuous long fibers, also known as "natural silk." Like wool, it is one of the first animal fibers to be used by mankind. According to the difference of food, it is divided into silkworm, tussah, cassava silkwor