Asan Tech Co., Ltd is a Korean manufacturer producing in specialized tool/equipment of completely cleaning rust and various foreign materials from superannuated water supply pipe. This tool/equipment can be arranged when a pipe is first set up to prevent bad water, and further when a dirty pipe is cleaned to get clean water and clean pipe. We are proud of winning New Knowledge Person Certificate from Korea&＃39;s President. We also got ISO 9001. This product consists of two equipments(comparing to a gun) each set up at the both ends of pipe and a cleanable thing- polly pig(compared to a bullet). Polly PIG cleans the inside of pipe when it is mounted on the flushing water equipment. It completely cleans the inside of even old pipe by flowing water pressure.If wanted, catalog is sent to you. Please pay your attention to and capture this product earlier than any other competitors and promote it to your government or local governmwnt relating to tap water work, etc.Now our product is very popular in government and local government work in Korea. - tap water pipe- drainage, etc.If interested in this new product, please contact us anytime. You are welcome as our good partner!