Professional engine valve manufacturing machines supplier!

  +0086-512-66294696                               +86 181 3697 7277
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Why Tianzhijiao

Automatic / Precision / Efficiency

Our Company

Starting in 2003, Suzhou Tianzhijiao Precision Machinery Co.,Ltd has been designing and manufacturing CNC Valve Grinding Machine more than ten years.
60% of our machines are exported Japan, Indoniesia, Mexico, South-East Asia, Europe and South Africa.
We are specialized in Special Purpose Machine for Engine Valve and provide accessories.
Almost our machine include automatic loading and unloading and are designed to be fast, flexible and reliable.
We have small, highly skilled team that offer a personal service worldwide.
Besed in beautiful city--Suzhou
Many our customer use our machine all the time and have good reputation.


Valve Stem End Grinding Machine 
Valve Cut off Machine
Double Station Valve Head & Seat Grinding Machine 
 Valve Seat Grinding Machine 
Valve Groove & Tip Radius Grinding Machine 
ISO 9001 2015
Tianzhijiao as a automatic engine valve machines manufacturing company, we have obtained ISO 9001 2015 and  six patent certificates successively since 2003.

As you can see from left:
Valve Stem End Grinding Machine ( fine grinding)
Valve Stem End Grinding Machine
Valve Cut off Machine
Valve Groove & Tip Radius Grinding Machine 
Valve Seat Grinding Machine
Double Station Valve Head & Seat Grinding Machine 

Our Mission

ico1_03 To be a leader in special purpose machine for engine valve.

ico1_03 To use our wide experience to offer innovative solution.

ico1_03 To offer high quality, good value and Service.

ico1_03 To work with our customer and reduce their manufacturering Cost.


1. We offer a full range of technical support. If necessary, we will provide a training about how to operate.
2. We provide design plan according to customer market needs.
3. We are manufacturer and have factory. So guaranty the quality.
4. Non-standard customized is acceptable.
5. With high configuration, CNC+PLC+Servo control system. 
More efficiency and precision, Reducing the labor cost.
6.  We can provide engine valve production line
7.  Provide Nitriding Production line for engine valve

Technical Support

1. We provide a training for how to install and operate ( Set up operation standard and installation guide ).
2. Set up automatic engine valve production line.
3. Set up NITRIDING production line for engine valve.

After-sales Service

We understand that sometimes things don't always go according to plan which is why we offer a full after-sales service.
1. In the event of a machine breakdown we offer everything from replacement parts to engineers on site to get your machine back up and running in the shortest time possible.
2. Should you experience the maintenance problem we aim to respond to you by email or provide on site engineers within 24 hours.
3. We offer a range of maintenance and replacement parts for all our machines which are available to order directly from us.
+86-512-66294696       +86 18136977277
+86 13625282686
No. 20, Guangdian Road, Guangfu Town, Wuzhong Dist, Suzhou, Jiangsu, China 
Tianzhijiao specialied in engine valve grinding machine  manufacturing and exporting, welcome to contact  us for  more machine details and quotation.


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