Ebupụla ngwaahịa sitere na igwe Yongjin karịa mba 60 gafee kọntinent ise.Anyị abụrụla ndị na-emepụta akpụkpọ ụkwụ egwu, egwu egwu, onye na-adịghị arụ ọrụ, sprocket, bolt track na ihe ndị ọzọ na-egwupụta ihe na ihe nchekwa bulldoza.
Site na ikike mmepụta kwa afọ nke ihe karịrị tọn 80000, a na-amata ngwaahịa ndị dị elu ma ahịa ụlọ na ahịa mba ọzọ.
A na-ebupụ ngwaahịa anyị n'ọtụtụ mba dị ka Indonesia, Malaysia, Thailand, Singapore, Philippine, Vietnam, Cambodia, Myanmar, India, Pakistan, Korea, Uzbekistan, Mongolia, Turkey, Iran, Iraq, Saudi Arabia, Dubai, Egypt. Libya, Yemen, Somalia, Nigeria, Madagascar, South Africa, Russia, Britain, Germany, France, Spain, Poland, Ukraine, Australia, New Zealand, Canada, America, Mexico, Columbia, Guyana, Surinam, Peru, Brazil, Chile wdg nke meriri aha ọma na nzaghachi dị mma site n'aka ndị ahịa.
Machinery Yongjin ji obi ụtọ na-anabata ndị ahịa niile si mba dị iche iche ijikọ anyị ọnụ ma rụọ ọrụ ọnụ iji mepụta ọdịnihu dị mma.
