NGC, our coin certification business was founded in 1987 and to date has graded over 17 million COINS valued at nearly 20 billion dollars.
美国NGC钱币鉴定评级公司成立于1987年，迄今所评级的钱币数量已经超过1700万枚，钱币总市场价值超过200亿美元。
Thermal Calculation at its best is supported by using up-to-date software tools. Furthermore, our own tools are developed, founded on the advances of the in-house research and development.
采用最先进的软件工具，并且公司内部研究与开发专用的软件工具。
Thermal Calculation at its best is supported by using up-to-date software tools. Furthermore, our own tools are developed, founded on the advances of the in-house research and development.
采用最先进的软件工具，并且公司内部研究与开发专用的软件工具。
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