China Mechanical Seal Manufacturer, Cartridge Seal Supplier

Lepu Seal - A Professional China Mechanical Seal Manufacturer providing Cartridge Seal, Grundfos Mechanical Seal And We offer free sample!

mark@lepuseal.com+86 18903009893

Best quality Mechanical Seal Manufacturer

LEPU Seal - Mechanical Seal Solutions for OEM Replacement

LEPU Seal is a leading OEM/ODM Mechanical Seals Manufacturer for industrial pump factory since 1998, we offer the widest range of standard mechanical seals. We are the mechanical seal manufacturer mostlikely to have avaiable what you need exstock. We can supply the vast majority of global seal requiements from stock.

Elastomer Bellows Mechanical Seal

Metal Bellows Mechanical Seal

Single Spring Mechanical Seal

Double Springs Mechanical Seal

Cartridge Mechanical Seal

O Ring Mechanical Seal

Dry Gas Seal

OEM Mechanical Seal Replacements

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Our Products

LEPU Seal is one of the leading manufacturer and supplier of all Standard and Customized Mechanical Seal. We manufacture all types of pump replacement mechanical seals including cartridge seals, elastomer bellow seals, PTFE seals, metal bellow seals, etc.

Flygt PLUG-IN Cartridge Seal For 2610 2660 4640 3153 5100 3301 5150

Safematic SE2 Dual Mechanical Seal for Sulzer or Andritz paper and pulp machine

Cartridge Grundfos Mechanical Seals Grf-c Grundfos Cr Vertical Pump Mechanical Seal

Metal Bellows Mechanical Seal 85n High Precision Metal Bellows Seal

OEM Cartridge Mechanical Seal AESSEAL CSSN Single Cartridge Seal Replacement

Dry Gas Seal Flowserve GASPAC With Good Price From China Best Manufacturer

LP4610 Cartridge Seal From Chinese Best Mechanical Seal Manufacturer

Single Cartridge Mechanical Seal LP-cartex

Mechanical Seal Safematic SAF Cartridge Seal

Tandem Dry Gas Seal tandem design

One-stop Solution

Customized Mechanical Seal Solution

Lepu Seal (China mechanical seal manufacturers) can provide customized mechanical seal service according to clients' special requests. Our goal is to improve product quality and provide customized solutions based on customer requirements, always aiming for the best cost-performance ratio, with good reliability and high durability. We deeply understand that every customer's fluid handling needs are unique.

Therefore, LEPU Seal offers OEM customization services, tailoring the most suitable mechanical seals according to your specific working conditions and parameter requirements. Whether it's material selection, size customization, or special functional needs, we can meet them all, ensuring your equipment operates efficiently and stably.

Choosing LEPU Seal OEM mechanical seals means choosing a safe, stable, and efficient fluid handling experience. We own a mechanical seal factory and stock most OEM seal parts, with delivery times usually less than 1 week. If you are interested in any OEM pump seals, please feel free to consult us.

Customized Now →

Company Profile

Guangzhou Lepu Seal Machinery Co., Ltd.

Founded in 1996, Guangzhou Lepu Seal Machinery Co., Ltd. is a professional manufacturer specializing in mechanical seals, dry gas seals for a wide range of industrial applications.

With nearly 28 years of experience in the sealing industry, we provide reliable and cost-effective sealing solutions for pumps, mixers, compressors, and other rotating equipment. Our product range includes cartridge seals, metal bellows seals, elastomer bellow seals, single spring seals, multi-spring seals, and customized mechanical seal solutions.

As one of China's reliable mechanical seal suppliers, LEPU Seal's products are sold globally and used across various industries. Lepu Seal owns a mechanical seal factory capable of designing and manufacturing various OEM mechanical seals, created precisely to meet this need. We uphold a craftsman spirit, focusing on every detail with a striving-for-excellence attitude, to provide you with the most reliable mechanical sealing solutions.

With 28 years of experience in OEM/ODM mechanical seals manufacturing

460

We have a professional team with 460 technical engineers and skilled workers

Sold to 56 countries worldwide

36000

Factory 36000 square meters

Latest News

Here are the latest news about our company and industry. Read these posts to get more information about the products and the industry and thus get inspiration for your project.

When Your John Crane® Metal Bellows Seal Needs Service, We've Got the Repair Kit

2026 08 20

Comprehensive Guide to Mechanical Seals in Centrifugal Pump: Types, Selection & Failure Prevention

This guide explains the role of mechanical seal in centrifugal pump, common types, applications, common failure causes, and preventive maintenance practices.

2026 08 19

Flygt Pump Mechanical Seal Installation Guide: Choosing Compatible Replacement Seals for Flygt Pumps

This guide explains why mechanical seals are essential for Flygt pumps, common causes of seal failure, compatible replacement seal options

2026 08 18

Custom 25mm Mechanical Seals – Built to Spec, Shipped to Brazil

2026 08 18

10 Cartridge Seals, One Destination: South Sudan

2026 08 07

Tingyi (Master Kong) Technical Visit – Food-Grade Sealing Solutions

2026 08 03

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Guangzhou Lepu Machinery Co., Ltd.

Add:

No. 5, Yunkai Road, Huangpu District, Guangzhou, China

Tel:

+86-020-36158139
+86-020-36158280

E-mail:
mark@lepuseal.com

Fax: +86-020-36158281

Contact Person: Mr. Mark Ao
Whatapps: +86-18903009893

Quick Link

Products

As a professional mechanical seal manufacturer, Lepu Seals is committed to providing complete mechanical seal solutions. We offer a wide range of sealing solutions for pumps in a variety of applications, including wastewater treatment, oil and gas, power generation, chemical, and other industries. We have provided mechanical seals to over 1,000 customers, with over 150 of them enjoying long-term partnerships. As the most widely used seal in the industry, our warehouse always has a sufficient supply of John Crane mechanical seals, and our capabilities ensure fast delivery.