Our manufacturing plant has all necessary operations.We have built ISO9001 Quality Control System to ensure the products and services high quality.With streamlined and efficient manufacturting processes and competent staff, we control the production quality strictly according to API Q1-7K standard.
HNA’s products are made with the equivalent as OEM for direct replacement.They have successfully proven themselves under the drilling conditons extreme pressure, high temperature and corrosive environmet, with a large range of specifications.
To meet our customer’s needs,we dedicate precious resources to research and develop more variable products with high quality.
本公司主要经营：板弹簧、螺栓、轴承等产品。本公司秉承“顾客至上，锐意进取”的经营理念，坚持“客户第一”的原则为广大客户提供优质的服务。欢迎广大客户惠顾！
电话：83862953
邮箱：qdhoesun@hotmail.com
