Changsha ChaoJinGang Machinery Manufacturing Co., Ltd. (ChangSha Super Drill Import & Export Co., Ltd. ) is a modern high-tech enterprise specializing in research and manufacture of rock drilling machinery and pneumatic tools in China. The factory has rich scientific research and production experience, using the raw materials, advanced production technology and rigorous testing methods, to produce products with superior performance and stable and reliable quality. "Super Diamond" brand rock drilling and pneumatic series products are sold well all over the country due to their superior performance, stable and reliable quality. They have been exported in batches to more than 20 countries and regions, such as Korea, Brazil, Australia and South Africa, and are well received by users.

Marketing Under "Solitone" Brand

Hunan Honketel Optical Communication Co., Ltd. is an one-stop solution service provider for fiber optic communication products.

Good precision machinery (plain) Co., Ltd. is located in Pingyuan County, Dezhou City, Shandong Province, which is the largest machinery parts production base in China. Good precision machinery (plain) Co., Ltd. is a professional enterprise integrating R & D, production and sales. At present, our company's products include various kinds of spring collets, self tightening drill chucks, CNC tools, tool rods, pulling nails and pressure caps Mechanical accessories, with excellent quality and complete specifications, are favored by customers at home and abroad.