China Piston Seals, Rod Seals, Wiper Seals Suppliers, Manufacturers, Factory - Guangzhou Jinbond Seal Technology Co.,Ltd

Robust Manufacturing Capacity

Equipped with self-engineered manufacturing lines and optimized tooling, we achieve precise control over high-volume seal fabrication and stable output.

Advanced Material R&D

We formulate custom high-performance compounds (PTFE, PU, PEEK, PI..) for extreme pressure, friction, temperature, and harsh chemical media.

Full-Process Control

Complete vertical control across raw material mixing, sintering/molding, CNC precision turning, and inspection.

Custom Engineering Services

We analyze your exact operating conditions—stroke speed, media, pressure, and hardware tolerances—to deliver customized seals or complete sealing systems.

Product Center

We have established long-term cooperative relations with many enterprises.

DAS seal Compact Piston Seal

KGB/DAS seal is a compact piston seal, perfect for heavy duty applications with good pressure holding character.

Rod Step Seals for Hydraulic Cylinder

The JBRS is an important rod sealing solution in hydraulic cylinders. It’s composed of 2 parts,a dynamic bronze...

Hydraulic Wear Rings

The bearing ring JFA is made of POM-PTFE-Bronze compound, which provides guiding and bearing surfaces between piston...

Hydraulic Piston Rod Seals

The JB-6 PU compact seal is a high performance all purpose lip seal which is suitable for both piston rod and...

Piston Seal Rings

JPGO is a double acting piston group seal mainly for light duty machines,made up of a dynamic teflon slip ring and a...

Guide Ring - GST

The GST guide ring complements the standard bearing ring. Its advantage is convenience, as it can be cut to...

Product Application

Warmly welcome friends from all walks of life to visit, investigate and negotiate business!

Construction Machinery

Automotive

Oil & Gas

Wind Power

Agricultural Machinery

Precision Processing

About Us

Guangzhou Jinbond Seal Technology Co.,Ltd

Guangzhou Jinbond Seal Technology Co., Ltd. is the vice-chairman unit of China Fluoroplastic Processing Association, specializing in the research, production and sales of seals for various application scenarios. We're established in 2003 with registered capital 30 million in CNY. Our self-owned production base is 20,000 square meters in which produces 50 million pieces of various seals annually. Jinbond has been committed to the construction of an informatization and standardized quality system, and has completed OA, ERP, MES information management system with own characteristics. We have passed IATF16949 certification; and are China High-tech Enterprise. Jinbond always pays attention to laboratory construction, and has built a relatively complete and advanced product research and development, production process control and testing laboratory seal products, and cooperates deeply with raw material manufacturers and application terminals to provide perfect solutions for the seal industry chain.

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Dimensional & Optical

Equipped with flash measuring systems and optical comparators for micron-level non-contact dimensional verification and seal profile analysis.
Physical Properties

Conducts real-time analysis of tensile strength, compression set, wear resistance, and stress relaxation with indicated temperature conditions.
Air Aging

Evaluates seal lifespan, chemical compatibility, and degradation under extreme thermal-oxidative, ozone, and fluid-immersion environments.
Thermal Analysis

Measures phase transitions, thermal stability, and glass transition temperature ($T_g$) using DSC and TGA to define optimal operating limits.