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Premium Carbon steel with heat treatment improves core strength for maximum durability and extended life.
Professional quality for efficient and fast hammer drilling in hard materials like concrete, granite, brick and other similar building materials.
Our company Jiangsu Tiangong International Co.Ltd founded in 1984,is a large export-oriented enterprise of China. Tiangong is a specific manufactory of producing high-speed steel and high-speed steel numerical cutting tools.Since it has been developed for more than 20 years, our company has enough experience and professional technology to produce cutting tools.The export quantity of Tiangong spot facing work cutting tools and twist drills has taken up 15%of the whole domestic market.Tiangong products possess a huge market in European countries and also in Asia,Africa and other continents.All of these products are produced in accordance with the international standard.