ABOUT US

Changzhou Huadong Punching Co., Ltd. was founded in 1974, and has now become a professional manufacturer of various types of motor stator and rotor cores. The whole process of precision casting aluminum, silicon steel sheet annealing and blanching, stator and rotor machining, product delivery, etc.

The company is committed to the development of high-speed precision molds and composite cold stamping molds, and has strong mold manufacturing capabilities...
SERVICE INTRODUCTION

The company is equipped with advanced precision testing instruments and a perfect quality assurance system. Has passed ISO9001---2000 quality system certification. The company has won unanimous praise from domestic and foreign users for its quality, reputation and service, and has been rated as a "contract-heavy and credit-heavy" unit in Changzhou for more than 20 consecutive years, and a credit (contract) AAA-level enterprise. The company adheres to the tenet of "quality first, customer first, integrity-based, genuine goods" and the principle of "friendly negotiation, mutual benefit and win-win". The products are of high quality, reasonable prices and timely delivery.

EXCELLENT PRODUCT QUALITY

The company is equipped with advanced precision detectors to ensure quality

FAST RESPONSE TIME
To ensure high quality according to the different needs of customers
RICH PRODUCTION EXPERIENCE
From R&D to product manufacturing, there is a technical team to back up
COMPLETE AFTER-SALES SERVICE
Professional operatione team provides 24*7 monitoring and response
PRODUCT FEATURES

The company's stator and rotor products cover air-conditioning iron casing, plastic-encapsulated motors, coil motors, various types of fan motors, series motors, shaded-pole motors, generators, automotive motors, pump motors, magnetic motors, gear motors, refrigerant motors, DC motors There are more than 300 kinds of motors, brushless DC motors, servo motors, stepping motors, etc., which can be selected by domestic and foreign customers.

NEWS

TEACH YOU TO ACCURATELY IDENTIFY THE SOURCE OF MOTOR NOISE!

2022-03-22
1. Noise sourceGeneral motor noise sources can be divided into mechanical noise, electromagnetic noise, aerodynamic noise and so on.1.1 Mechanical noiseMotor stator and rotor friction, dynamic bala...

THE DIFFERENCE AND FUNCTION OF MOTOR STATOR AND ROTOR

2022-02-10
The stator and rotor are necessary parts of the motor. The stator is fixedly installed on the casing. Generally, a coil is wound on the stator. The rotor is fixed on the machine base through bearin...

WHAT ARE THE FACTORS THAT AFFECT THE COOLING OF PRECISION INJECTION MOLDS?

2022-01-16
There are many factors that affect the cooling of precision injection molds, such as the shape of the plastic part and the design of the parting surface, the type, temperature and flow rate of the ...
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