Yangjin JK Co., Ltd is the company that does its best to satisfy the customers’ requirements. The company has continued growth as a professional construction material manufacture and selling company through continuous R&D, quality management, and investment in facilities and has tried for customers’ impression. The company makes every endeavor to improve the work efficiency through rapid and accurate delivery of the best quality products and will continue its growth through quality management and R&D. The company will grow up to be a company that grows based on the reliability by customers using the limitless and sincere potential of the company based on the endeavors that have been made until now and will repay the customers’ encouragement. Thanks.