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Founded on April 30, 1999, Changsha Heijingang Industrial Co., Ltd is a famous privately operated enterprise specialized in researching and manufacturing rock drilling equipment and pneumatic tools. The company has rich scientific research and production experience. She produces high quality rock drilling products by using high quality raw material, utilizing advanced craft technology and imposing strict quality inspection. The products made by HJG are being adopted by various users from all over China and exported to more than 50 countries including America, France, Australia, Canada, Brazil, South Africa, Malaysian, South Korea and other countries. All of our products are highly-reputed by our customers.
Changsha Heijingang is located in Changsha, Hunan, with land area of 54000 square meters and workshop space of 45000 square meters. Currently we have more than 600 employees and we are equipped with wide range of advanced equipment required for manufacturing rock drilling machine and pneumatic tools. We are professional designer and manufacturer for the following products: The most advanced high air pressure DTH hammer in China, various kinds of DTH bits, eccentric drilling equipment, symmetric drilling equipment, casing System, various kinds of threaded drilling bits, reverse circulation hammers and bits, shank adapters and coupling sleeves, new-style wells geothermal drilling rig, open-air blasthole drilling rig, all kinds of tool joints and drill pipes and spare parts for drill rig.