Spring Mechanical Seals – Reliable Sealing Solutions for Demanding Conditions 2026-03-09

Our spring mechanical seals deliver reliable sealing, adapt to extreme conditions, and offer stable, efficient performance for various industrial equipment.

API Plan 52 & Plan 53 Seal Support Systems 2026-03-07

We operate busy, high-volume production with strong orders. Strict quality control ensures reliable sealing solutions customers can trust worldwide.

Plan 21 & Plan 23 Heat Exchangers 2026-03-06

We are a trusted manufacturer with large-scale production capacity, supplying high-performance Plan 21 and Plan 23 heat exchangers for pumps worldwide.

Leaders from Dandong New Area Instrument Industrial Park Visit Our Company 2026-03-05

On March 5, 2026, leaders from Dandong New Area Instrument Industrial Park visited our company. They highly recognized our work and wished us continued growth.

Plan 32 Flushing System – Reliable Solution for High-Temperature Sealing 2026-03-04

Our Plan 32 Flushing System delivers stable external flushing for high‑temperature media over 300°C, ideal for safe and efficient mechanical seal protection.

Industrial Spring Mechanical Seals 2026-03-03

High-performance spring mechanical seals designed for durability, safety, and reliable operation in demanding industrial conditions.

Plan 21 & Plan 23 Heat Exchangers for Mechanical Seal Systems 2026-03-02

Our Plan 21 and Plan 23 heat exchangers protect mechanical seals in pumps and extend their service life

Plan 32 External Flushing System for High-Temperature Media 2026-02-28

Plan 32 is an external flushing system for high-temperature media over 300℃, using diesel or wax oil. It ensures stable and safe operation for your mechanical seals.

Local Government Officials Visit Dandong Runhe Seal Co., Ltd. 2026-02-27

Local government officials visited Dandong Runhe Seal Co., Ltd. They recognized our achievements in mechanical seals. We will keep innovating for long-term development.

R550 Series Mechanical Seal 2026-02-26

With external spring structure, R550 excels in harsh, particle-laden and high-viscosity conditions where R8 & R45 series seals cannot perform well.

Professional Mechanical Seal Support Systems Engineered for Reliability & Long Service Life 2026-02-25

Our high-efficiency workshops operate at full capacity, guaranteeing stable quality, on-time delivery and trusted reliability for global clients.

Professional Mechanical Seal Support Systems Built for Reliability & Long Service Life 2026-02-24

We provide reliable modular mechanical seal support systems with premium materials, strict quality control, and stable performance for global industrial customers.