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Dongjun Laser is a high-tech enterprise specializing in the research and development and production of laser crystal materials. It is the largest YAG crystal manufacturing supplier in Asia. At present, Dongjun Laser has a rich product line in the production of laser crystal materials, which can provide: Nd:YAG, (Nd, Ce): YAG, Cr4+: YAG, Er: YAG, Ce: YAG, Yb: YAG, CTH: YAG, Nd:YAP, Er:Glass, and other types of crystal materials with different doping concentrations, and also have first-class optical processing technology capabilities, can produce various crystal rods, crystal slats, keys according to customer requirements. Optoelectronic products such as crystals and threaded crystal rods.
In 2004, Dongjun Laser began the research and development and production of sapphire. After many years of exploration, it formed the “induction heating, molybdenum and rhodium reduction method to grow high optical quality, large-size sapphire crystal preparation technologyâ€. Level technical identification.
At present, Dongjun Laser's sapphire substrate has a monthly capacity of 30,000 pieces, and will expand to 70,000 to 80,000 pieces after June. At present, the company's sapphire size is mainly 2 inches, 4 inches and 6 inches can be produced in small batches, and 8 inches has also been successfully produced.
Dongjun is stepping up its production expansion. At present, the company has invested tens of millions in research and development of sapphire. “In the future, the company will increase investment and strive to enter the forefront of the industry within two to three years.†Fu Jianwei, general manager of Dongjun Laser LED reporter said. The third phase of the Dongjun Laser Industrial Park is about to start, and the company will also enter the IPO listing stage. 
[High-tech LED News] On April 18, 2011, Chengdu Dongjun Laser Co., Ltd. “The 10th Anniversary and the Sapphire Product Downline Celebration†was held in its Pujiang Eco-Industrial Park. Chengdu government officials, numerous LED business executives, investors and mainstream media have witnessed this moment.