产品用途：
蓝宝石长晶炉中，籽晶夹持器夹持具有一定晶体结构的籽晶，伸入氧化铝熔池中，在缓慢降低热场温度时，籽晶夹头旋转提拉得到蓝宝石晶锭。
Application:
In the sapphire crystal growth furnace, the seed crystal chuck holds the seed crystals with a certain crystal structure and extends into the alumina molten pool. When the temperature of the hot zone is slowly reduced, the seed crystal chuck rotates and pulls to obtain the sapphire ingot.
按图纸生产，如有特殊要求，双方具体商定。
The products shall be manufactured according to the drawings.
Special requirements will be agreed upon by the supplier and buyer.
