Jintong of casting of the furnace

In ancient times, there were no special utensils for incense burning, but copper, pottery, porcelain, tiles and wood flowers were used instead. Since handing slow to make boshan incense burner, only began to have a special name, but special people are also few. In the song dynasty, the porcelain industry was developed, and people began to burn porcelain stoves. Since xuande created the copper furnace and then opened the first copper casting furnace in later ages, the person who said the furnace must be called xuande.
Speaking of the motives of the xuande furnace, many people have misreported that the fire in the palace, the mixing of gold and jade, the power of the furnace, from the furnace spectrum to the world, only know that it is misreported. In fact, after xuande chengye, the sea level, the whole country naturally into the road of enjoyment. In the xuande inspection center, every dead relic of the Tibetan, there is a sense of compensation, the kingdom of Siam to add the full mist, the jin offered tens of thousands of kilograms of wind-ground copper, so as to cast the furnace. There are thirty-three precious minerals, such as gold and silver, used in the casting furnace, not only for windmilling copper, but for windmilling copper.

أداء مستقر الصين المورد فراغ مضخة صغيرة
2BV series motor air vacuum water pumps
2BV series motor air vacuum water pumps
HEAT TREATMENT - LOW PRESSURE VACUUM CARBURIZING