玉石的化学成分主要由含钠、钙、镁、铝以及其他一些微量元素的含水硅酸盐组成。
例如，在中国，雕刻玉石饰品是一个古老的传统的一部分。
For example, in China, carved jade stone was part of an ancient jewelry tradition.
本公司主要供应：电梯配件，管状电机，遮阳篷；珠宝玉石饰品，女士休闲时尚包包。
We are mainly engaged in the business of Elevator parts, Tubular motors, Retractable awning, Jewelry decorationk, Handbags/Notecase.
今天，这项技术与木材，玉石雕刻，象牙和漆。景泰蓝艺术是出口到许多国家作为饰品最喜爱的媒体。
Today this technique is associated with the sculpture of wood, jade, ivory and lacquer. Cloisonne art is exported to many countries as a favorite medium for ornaments.
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