J and J precision parts

Meters and Instruments

Jewel bearing

Magnet Bearings

Metal Parts for Meters


Covers and Others

Gas appliance

Ruby Nozzles

Ignition Electrode


Thermal Protector

Piezoelectricity Wire


Sapphire Window
case case 1111

Living room furniture


J and J precision parts-Magnet bearing set

J and J precision parts-Metal parts


What You Should Know About Piezoelectric wires

How to Wire a Thermostat

How to Install a thermocouple

Wiring a Thermostat

How to Wire a Thermostat 6

Industry news

The Beauty and Functionality of Watch Jewels 

 Industrial Jewel: The marvel that keeps our meters ticking

The Versatility of the Sapphire Window: Applications in Various Industries

The Benefits of Investing in a High-Quality Jewel Bearing Set

J and J Precision Parts - The Leading Manufacturer of Watch Jewels

Why J&J Precision Parts is the Industrial Jewel You Need

J and J Precision Parts - Sapphire Window: The Solution to Your Industrial and Medical OEM needs

J and J Precision Parts: The Experts in Jewel Bearing Technology 

The Beauty and Functionality of Orifice Jewel Bearing

The Importance and Benefits of Using Industrial Sapphire Windows

Company News

New roller counter for water meters

reliable quality ruby nozzles for gas control

Industry News
Other Info
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About us

Development history of the company


About Us


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