Jairo drill on materials Co., Ltd. was founded in 2005, is a new special steel professional marketing company, has been committed to domestic well-known excellent steel products distribution business.

• 上海罗钻物资有限公司成立与2005年，是一家新兴的特殊钢专业销售公司，一直来致力于国内知名优特钢企业的产品经销。