In the waterproof industry, Oriental Yuhong has always been a leading company.
News came on June 10, 2026. Information from the State Intellectual Property Office showed that Beijing Oriental Yuhong Waterproofing Technology Co., Ltd. successfully applied for a patent titled “A composite membrane, self-adhesive polymer modified asphalt waterproofing membrane and preparation method”. The authorization announcement number is CN119305278B, and the authorization announcement date is June 9, 2026.
Judging from the detailed information of the patent, the application publication number is CN119305278A, the application number is CN202411358081.2, and the application date is September 27, 2024.
This patent relates to the field of membrane material technology, and its composite membrane includes a first membrane layer, a second membrane layer and a third membrane layer.
Wherein, the first film layer includes polyolefin film, polyester film, modified polyolefin film or modified polyester film; the second film layer includes fiber membrane impregnated with impregnation liquid; the third film layer includes modified polyolefin film or modified polyester film; the impregnation liquid includes asphalt and silica gel.
Rolled materials prepared using this composite film have many advantages.
Its self-adhesive asphalt layer is smooth, and the overlapping edges are dense and do not allow water to escape. It also has the characteristics of tear resistance, excellent dimensional stability, soft roll material, and good construction compliance.
These advantages make this membrane well suited to meet the needs of repair and new roof waterproofing projects.
Oriental Yuhong was established on March 30, 1998 and listed on the Shenzhen Stock Exchange on September 10, 2008. Its registered address and office address are both in Beijing.
As a leading company in the domestic waterproofing industry, it focuses on building waterproofing materials and has very strong technical strength. Its products are not only best-selling domestically, but also have advantages across the entire industry chain.
From the perspective of operating data, Oriental Yuhong’s operating income in 2025 will reach 27.579 billion yuan, ranking first in the industry (a total of 3 companies), far exceeding the 6.044 billion yuan of the second-place Keshun Co., Ltd., the industry average is 12.011 billion yuan, and the median is 6.044 billion yuan.
Among its main businesses, waterproofing membrane revenue of 11.361 billion yuan accounted for 41.20%, and coatings revenue of 7.811 billion yuan accounted for 28.32%.
The net profit was 37.9821 million yuan, ranking second in the industry. The first-place Karen shares was 38.475 million yuan, the industry average was -157 million yuan, and the median was 37.9821 million yuan.
In addition, Oriental Yuhong has many patents recently.
For example, there are many invention patents such as the experimental device for the automated preparation of reactive coatings, glass fiber reinforced polyester base modified asphalt waterproofing membrane and its preparation method.
These patents cover many aspects such as waterproofing membranes, coatings, equipment, etc., fully demonstrating Oriental Yuhong’s innovative capabilities and technical reserves in the field of waterproofing.
The waterproof membrane patent obtained by Oriental Yuhong this time is another manifestation of its technical strength.
In the future, it is believed that Oriental Yuhong will continue to maintain its leading position in the waterproofing industry with its continuous innovation and strong technical advantages, and provide better products and services for waterproofing projects around the world.
