HIGH QUALITY

Trust Seal, Credit Check, RoSH and Supplier Capability Assessment. company has strictly quality control system and professional test lab.

DEVELOPMENT

Internal professional design team and advanced machinery workshop. We can cooperate to develop the products you need.

MANUFACTURING

Advanced automatic machines, strictly process control system. We can manufacture all the Electrical terminals beyond your demand.

100% SERVICE

Bulk and customized small packaging, FOB, CIF, DDU and DDP. Let us help you find the best solution for all your concerns.

WHO WE ARE & WHY CHOOSE US

China high quality Custom Valve Guides & Valve Seat Inserts suppliers

Deyang Hexin Machinery Co., Ltd.

Founded in 1992 as Chengdu Tianhui Valve Guide Tube Manufacturing Co., Ltd., Deyang Hexin Machinery has grown into a globally recognized manufacturer specializing in precision engine components. For over three decades, we have focused on the research, development, production and sales of high-quality valve guides, valve seats and other critical valve train components for automotive engines. As a ...

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Introduction

We are a factory specializing in the manufacture of valve guides and seats

Service

We deliver precision quality inspections using advanced instruments to verify dimensional accuracy, material integrity and performance compliance.

History

We established in 1992, specializes in R&D and production of automotive engine valve guides, seats, and related components

Our Team

We have our own research and development team and technical team to ensure the quality of every product.

Steps to replace the valve seat

The maintenance of the valve seat is very important. Here are some simple steps to replace the valve seat: Remove the old valve seat Use a reamer to thin the valve seat or spot weld several solder joints on the inner side of the valve seat, tap the solder joints, and remove the valve seat. Measure ...

The disassembly and assembly methods of valve guide tubes

The valve guide is a critical guiding component in an automotive engine, ensuring the precise linear reciprocating motion of the valve. It facilitates proper alignment between the valve and its seat, while also transferring heat from the valve stem to the cylinder head. Valve Guide Removal Procedure...