Dalian Kehua Thermal Pipeline Co., Ltd. was established in 1999 with a registered capital of 10 million yuan. It is one of the earliest companies in China to engage in the research, development, production, and implementation of thermal pipeline technology. Integrating production, education, and research, it is a comprehensive enterprise leading in technology and reaching international advanced levels, with an annual production capacity of 50km of pipelines. The company's products include three major series: direct burial insulated steam pipe series, direct burial insulated hot water pipe series, and oil and gas anti-corrosion pipe series, covering a full range of specifications.