Shandong Shuangyuan Sealing Technology Co., LTD., founded in 2014, is a scientific and technological innovative enterprise with 20 years of production and sales experience of butyl sealant products, located in Yishui County Economic Development Zone, Shandong Province. It owns Shandong Gelu New Material Technology Co., LTD and Shanghai Gelu New Material Technology Co., LTD. The company owns 14 technical patents and 16 intellectual property rights, and participates 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 coil). The company has won the honorary title of provincial specialized special new, provincial high-tech enterprises, and "one enterprise one technology" R & D center.

The company mainly produces automotive sound insulation and shock stop plate, new energy vehicle special damping plate, butyl sealing waterproof tape (coil), double-sided adhesive tape and other sound insulation and shock stop products and butyl waterproof sealing products, while providing solutions according to customer needs. The products are exported to Europe, America, the Middle East, Australia, Southeast Asia and other regions, and are widely used in new energy vehicle enterprises, automobile modification industry, building waterproof industry and solar photovoltaic industry.

The company's annual output is 10 million square meters of butyl sealing tape and waterproof coil, 1.5 million square meters of automotive sound insulation and shock plate, and 20,000 tons of various butyl adhesives. The company adheres to the purpose of "adhering to innovation, adhering to integrity", continuously develops and applies product technology, and strives to become a butyl waterproof sealing material supplier and auto parts supplier with independent intellectual property rights and well-known brands.