THE JISAN DIFFERENCE in preserving the environment from a tremendous noise pollution. Welcome to Jisan heavy industrial Co., Ltd. Korea. The pursuit of more environmental friendly engineering is our focus. Recently many construction & demolition work sites become to adopt "friendly equipment",so we have released "super-silenced hydraulic breaker". Meantime these tested report and real deci-Bel test MPEG, you can view them on our web-site. We offer a long-term partnership the business supplying, and Jisan equipment to meet the need of your business. At Jisan, we take tiny details very seriously. Because ultimately, it's the small things that determine the success of your business.