Our History
Shandong Shuangyuan Sealing Technology Co., Ltd. was established in 2004 and is a technology innovation enterprise with 20 years of experience in the production and sales of butyl sealant products. It is located in the Economic Development Zone of Yishui County, Shandong Province. It owns Shandong Gelu New Material Technology Co., Ltd. and Shanghai Gelu New Material Technology Co., Ltd. The company has 14 technical patents and 16 intellectual property rights, and has participated in the preparation of industry standards (JC/T942-2022 butyl rubber sealing waterproof tape) and group standards (CECS 10201-2022 butyl rubber self-adhesive waterproof roll). The company has been awarded honors such as provincial-level specialized, refined, and innovative, provincial-level high-tech enterprise, and "one enterprise, one technology" research and development center.

- Area: 6,000 square meters
- Production Lines: 6
- Equipment:
- 7 Kneading Machines
- 6 Coating Machines
- 2 Rubber Strip Extruders
- 3 Gasket Cutting Machines
- 5 Slitting Machines
- 5 Rewinding Machines
- 2 Packaging Machines
- 4 Die-Cutting Machines
- Annual Production Capacity:
- Butyl Rubber: 8,000 tons
- Waterproof Tape (Roll Material): 1.46 million square meters
- Vibration Damping Sheets: 1 million square meters
- Extruded Rubber Strips: 2 million meters

- Area: 24,000 square meters
- Production Lines: 12
- Equipment:
- 12 Kneading Machines
- 14 Coating Machines
- 14 Slitting Machines
- 6 Packaging Machines
- Annual Production Capacity:
- Butyl Rubber: 32,000 tons
- Waterproof Tape (Roll Material): 17.5 million square meters
Both factories are equipped with advanced machinery and technology to ensure high-quality production and meet the diverse needs of our clients. Our commitment to innovation and efficiency allows us to deliver reliable and durable products to the global market.





The company mainly produces sound insulation and shock absorption plates for automobiles, damping plates for new energy vehicles, butyl sealing waterproof tape (roll), double-sided overlapping tape and other sound insulation and shock absorption products, as well as butyl waterproof sealing products. At the same time, solutions are provided according to customer needs.
Applied to new energy vehicle companies, automotive modification industry, building waterproofing industry, and solar photovoltaic industry.

20 kneading machines, 20 coating machines, 16 slitting machines, 6 packaging lines, 1 laminating production line, and 12 rewinding machines.

Sales in the United States, Southeast Asia, Europe, etc. will reach 230 million yuan in 2023.
Our Certificate
Provincial high-tech enterprise
Provincial specialized, refined, and new enterprises
One Enterprise, One Technology R&D Center
Obtained ISO9001 system certification
Obtained 14 technical patents
Qingdao University of Science and Technology Industry University Research Cooperation Base
Continuously introducing and constructing new types of automated production equipment, with an annual production capacity of 40000 tons.




Our Service
01
Pre sales Service
Professional consultation, customized support, free sample trial, to assist customers in precise selection.
02
In sales Service
Transparent communication, timely delivery, ensuring efficient user experience.
03
After-sale Service
Quality assurance service, quick response, providing customers with comprehensive support.
