Ningbo Hengfa Steel Tube Ltd. Co. is a company specializing in various kinds of seamless steel tubes which is located, in the town of Yuyao in the east of Zhejiang, in the economic development of Lianghui, Yuyao. With the history of more than ten years, we have much experience in seamless steel tubes and advanced technique. In order to keep the excellent quality of the products, we have established a full set of quality guarantee system and executed in strict accordance with it, at the same time, we fit out many advanced tested equipments, such as the chemical analysis equipment, metal microscope, omnipotence test-machines, impact test-machines and lossless test machines. We enjoy good popularity due to the close quality control and complete test means. In 2006, our company have passed the strict national examination and have obtained the ISO9001:2000 Quality Certification System. Our products have been sold to India, Korea, Europe and so on.