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ALD has been attaching great importance to technology research and development, proved by over 46 people involve in technology research and development. Over decade accumulation, ALD has mastered a series of process technologies in the processing of aviation materials such as titanium alloys, aluminum alloys and stainless steel. In terms of small-volume, high-difficult and high-tech characteristics of aerospace parts, the company concentrates its resources and involves in the research and development of aviation critical/complex parts and small-volume flexible production, constantly explores new manufacturing technologies, researches new methods, and has formed a group of core technologies and patents, which are widely used. Especially in the processing of aviation titanium alloy products, the existing high-precision blind hole processing technology for internal cavity can complete the production of special structural products, which is currently in a prominent position in China. The company has 9 patents, including 1 invention patent, 8 utility models, and 2 other invention patents are under qualification.