Providing professional products and solutions for thin film monitors, our company focuses on 5MHz and 6MHz quartz crystal blanks with three kinds of materials, including gold, silver and alloy. We have been in this field for over 19 years. For optical coating and metallization, we supply excellent products to the world market at the best price of US$3 for each. There are discounts for high-volume orders. We have been rendering comprehensive and systematic services to a well-known American thickness monitor manufacturer for years. Our company started to establish our own brand and serve domestic market from 2008.