Tieling Lianggong Valve Co., Ltd., a professional manufacturer of medium and low pressure valves established in 1933, has a strong technology and management level, has entered a relatively large scale of production equipment and environment, and its product quality has reached the international advanced level. The company's main business is the export of large-caliber medium and low pressure valves. The products are exported to Italy, Germany, Japan, Spain, Singapore, Hong Kong, Malaysia, Britain and other countries. The company has established long-term cooperative relations with overseas customers from Quduo. In addition, we have obtained the ISO9001 quality system certification.