Registered trade name: JS International, abbr: JSI ) was established in the Guiyang New and High-Tech Development Zone in 1996. Approved by Bureau of Trade and Economic Cooperation of Guizhou Province, JSI obtained its import and export right in April, 2000. JSI is an independent legal entity, and an Export-Oriented, specialized company. It combines manufacture, R&D and trade in its integrity.JSI's major products cover rock drilling equipment and tools for mining, construction and quarrying. JJSI is committed to provide quality products and timely and considerate after-sale service to our customers around the world. We have been engaged in mining industry for over 10 years and enjoyed great popularity in domestic and overseas market based on our competitive prices and high reputation.