Established in 1997 by Chairman Xue Xiaotong, Bolian is a high-tech enterprise integrating design, R&D, manufacturing, sales, and service, with a strong focus on filtration and diaphragm materials.

With nearly 30 years of dedication to quality excellence, Bolian has obtained ISO 9001 Quality Management System certification, ISO 14001 Environmental Management System certification, ISO 45001:2018 Occupational Health and Safety Management System certification, as well as FDA food-grade certification. It has been recognized as a "High-Tech Enterprise" and holds 16 independently developed technical patents.

Bolian utilizes advanced European-imported weaving equipment and also operates over 100 self-developed machines. With a 40,000 m2 production base and an annual capacity of 6 million m2, Bolian ensures stable global supply.

Bolian has established professional R&D center and testing laboratory, bringing together experts from universities and the industry to build a high-level R&D team. In collaboration with universities such as Dalian Polytechnic University and other universities, it promotes knowledge transformation and innovation.

From raw material selection to final product delivery, every Bolian product undergoes dozens of quality inspection procedures, with standards exceeding the industry average by 30%, ensuring product quality.