From the beginning of autumn, Chinese in northern China are already planning heating in winter. Thermal power companies, pipeline construction teams and heating pipe production enterprises are also busy, and the peak season for the production of thermal insulation pipes is coming again. It was at such a critical moment that Qingdao Huashida Machinery Co., Ltd. delivered the 1680 thermal PUF pre-insulation pipe production line to Tianhe thermal equipment Co., Ltd. The line can produce pre-insulation pipes with a maximum dia. 2000mm. Huashida master the core technology.