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HDTD was founded in 2005. With decades of experience in the industry, professional teams and cooperation with professional institutions, and relying on innovative technology, the company has made breakthroughs in low-pressure casting machine technology. Sold to all parts of the world and won a wide reputation.
HDTD has now evolved into an international group of companies.

Chinese companies have three factories in Qinhuangdao and Jiangsu, overseas companies in the UK, and agencies in India and South America.
Qinhuangdao Hongtong Machinery Co., Ltd.: covers an area of 20,000 square meters, the main products are: differential pressure casting machine, low pressure casting machine and ancillary equipment.
Jiangsu Tianding Precision Machinery Co., Ltd.: covers an area of 26,000 square meters.

The main products are low pressure casting machines, gravity casting machines, robotic system integration and factory automation systems.
Jiangsu Rajero Precision Machinery Co., Ltd.: Sino-Italian joint venture, producing helium gas leak test equipment such as aluminum alloy wheels
HDTD Europe: In Turin, Italy, responsible for the promotion and service of the company's products in the European market, and the introduction of advanced technologies and processes in Europe, responsible for the research and development of new products.