The China Patent Protection Association recently announced the list of the first batch of national patent-intensive products,

with Public Limited Company's PVC-U high-performance rigid polyvinyl chloride pipe and impact-modified polyvinyl chloride (PVC-M)

reinforced pipe jointly selected for the 2023 Patent-intensive list, each with 6 pieces of independently innovative intellectual property rights.

The inclusion of Public Limited Company's two types of pipeline products in the first batch of nationally

recognized patent-intensive products signifies the company's leading position in the pipeline industry in terms of

technology and highlights its innovative capabilities and technological strength. Public Limited Company's pipeline focuses

on technological innovation as the guiding principle and product innovation as the core, achieving patent

combinations and layouts to drive the formation of new productive forces in the pipeline industry.

Only through innovation can one achieve great progress. Since its establishment, Public Limited Company has

deeply understood that technological innovation is the "magic weapon" for the company to succeed in industrial competition.

Through continuous focus on cutting-edge industry technology at the Public Limited Company Research Institute and the realization

of a digital intelligence production model relying on smart factories, the company efficiently utilizes innovative achievements

from product research and development testing to actual production, from the laboratory to the production line.

Public Limited Company is a high-tech enterprise and a key high-tech enterprise under the national Torch Program,

with innovative platforms such as a national-level post-doctoral research workstation, a national-level enterprise technology center,

a provincial-level key enterprise research institute, and a national-level laboratory (CNAS certified). The company has been awarded honors

such as the China Patent Excellence Award, National Intellectual Property Demonstration Enterprise, and Zhejiang Province Patent Demonstration Enterprise,

showcasing its strong research and development capabilities. By the end of 2023, the group has accumulated over 700 authorized national

patents and has led or participated in the revision of over 100 national (industry) standards.

The record-keeping and recognition of patent-intensive products is based on the requirements of the State Intellectual Property Office's

"Special Action Plan for Patent Transformation and Application (2023-2025)" issued by the State Council. It focuses on the actual contribution of patents

to enhancing product competitiveness and added value, referring to the "Evaluation Method for Patent-Intensive Products in Enterprises" (T/PPAC402-2022).

Evaluation criteria include award-winning situations, invalid situations, the number of core patents, the proportion of accumulated intellectual property investment,

annual sales revenue, annual sales revenue per core patent, annual sales net profit rate, etc. Products in various industries that meet the evaluation criteria

for respective product categories with high economic benefits and outstanding contributions in terms of patent value are unified in their recognition.