Jul 31,2026

Rubber compounding, including mastication, mixing, hot mixing, and re‑mixing, is primarily carried out using open mills and closed mixers.

Company News

Ensuring Production During the Scorching Summer Days

Jul 31,2026

Since late July, the Dalian region has experienced unusually intense heat, with maximum temperatures exceeding 36°C, marking the official onset of the peak summer period. The molding workshop has also been exceptionally hot. To ensure uninterrupted production and timely shipments, company leadership has thoughtfully implemented a series of measures to mitigate the heat and maintain normal operations, primarily including the following steps:

Company News

Strengthening Quality Awareness Across the Board to Build a Robust Barrier for Product Quality

Jul 31,2026

To further strengthen the foundation of quality management and enhance the quality‑control capabilities of frontline inspectors, thereby reducing the generation of nonconforming products at the source, the company recently organized a specialized quality‑management training session for frontline inspectors.

Company News

Bohai rubber and plastic seals—your trusted choice.

Jul 30,2026

Company News

The Amazing O-Ring: How a Tiny Ring Upholds Industrial Safety

Jul 29,2026

A seemingly unremarkable annular rubber piece—the O-ring—is the core sealing component used across industries. Despite its small size, its excellent resilience can block leakage of oil, gas, and water, making it suitable for both static and dynamic sealing applications.

Company News

Conducting a diagnostic consultation to chart development and uniting hearts and minds to draw up a blueprint.

Jul 23,2026

From July 18 to 19, 2026, the company held its 2026 Mid-Year Business Review Meeting. The management team, led by the Chairman, shareholders, and the General Manager, along with eight representatives of frontline managers, attended the meeting.

Company News

The natural rubber industry is entering its strongest period of policy-driven benefits—Production Management

Jul 23,2026

Natural rubber, alongside steel, coal, and petroleum, is regarded as one of the world’s four major industrial raw materials and serves as an irreplaceable strategic commodity in sectors such as transportation, healthcare, and national defense. However, China, the world’s largest consumer and importer of natural rubber, is projected to import 6.492 million tons by 2025, with an external dependence exceeding 80% and a self-sufficiency rate of less than 25%.

Company News

Adhesion of rubber to metal

Jul 23,2026

Vulcanized bonding between rubber and metal is a complex yet critical technology, widely employed in industries such as automotive, aerospace, machinery, and medical devices. Through the vulcanization process, rubber and metal can be firmly joined, combining their respective advantages—such as rubber’s elasticity and vibration‑damping properties with metal’s high strength and rigidity—thereby enhancing the material’s overall performance. This paper provides an in-depth examination of rubber–metal vulcanized bonding, covering its underlying principles, methods, applications, and associated challenges.

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Contact Information

Address: No. 39-6-1, No. 2, Gangxing Street, Economic and Technological Development Zone, Dalian City, Liaoning Province
Telephone:0411-88035937
Fax:0411-88035937

E-mail:yudongxin@dlbhxs.com

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