In 1985, Guangzhou Crystal Material Technology Development Co., Ltd. was established by Guangzhou Electronic Technology Institute of Chinese Science Academy. Production of the first batch of diamond glass edge-grinding wheels commenced. In 1986, the first batch of round-saw diamond blades was developed by several experts from Chinese Science Academy, and put into mass production. In 1987, production of the first batch of large marble and granite blades commenced. In 1988, the first batch of small saw blades (to replace those previously imported) was produced, and sold well in the domestic market. In 1991, products were exported to foreign counties. In 1992, annual sales exceeded RMB 10 million Yuan. In 1993, the diamond saw blade series was awarded second prize at the..