Trust in Every Shipment 2026-03-19

We’re proud to deliver 36 cartons including Plan 52 and Plan 53B systems, built on customers’ trust and support. Thank you for choosing us. We welcome all your inquiries and cooperation.

API Plan 52 Seal System in Production 2026-03-18

Our Plan 52 sealing system ensures stable, reliable performance and wide adaptability. With large global exports, it lowers costs and extends equipment life. Contact us for professional support and long-term cooperation.

API Plan 53B Systems in Production 2026-03-17

Our workshop runs at full capacity producing API Plan 53B systems. They feature high safety, stable operation, zero leakage, and easy maintenance. We welcome global partners for win-win cooperation.

Plan 32 Seal Flush System — Reliability for Harsh Conditions 2026-03-16

Plan 32 provides clean, cool, high-pressure flush to cool, lubricate, clean and isolate seal faces, greatly improving reliability and reducing equipment downtime.

Cartridge Mechanical Seals 2026-03-14

Our cartridge mechanical seals are pre-assembled for fast, easy installation. They eliminate human error, ensure stable performance, reduce leakage, and lower maintenance costs for pumps.

Plan 53B Pressurized Barrier System 2026-03-13

Our Plan 53B system delivers stable pressure control, zero emissions. It reduces downtime and is ideal for remote, unmanned, and hazardous fluid applications.

Runhe : Precision Manufacturing & Product Marking 2026-03-12

We specialize in precise product marking, adhere to strict standards, and strive for excellence. We warmly welcome global partners to visit and cooperate with us.

Dandong Runhe Seal Co., Ltd. School-Enterprise Cooperation Center 2026-03-11

Our center features 3/4/5-axis machining centers. Cooperation with universities boosts productivity and efficiency for both school and enterprise. We provide reliable mechanical seals and support systems.

Runhe Seal Production Workshop 2026-03-10

Our workshop runs efficiently with dedicated staff. We ensure high output and reliable quality, providing professional support for global purchasers.

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.