Company Profile

About us


Guangzhou Hearten auto parts co., Ltd.(formerly the South China Piston Ring Co.,Ltd.), is a leading enterprise which uses modern technology to product piston rings for automobiles, motorcycles, general machinery and so on.

Company Culture

Since inception, the product quality has been continuously perfected,and the core techniques of the piston rings are nitrogen and chrome plating.These two key techniques of piston ring are on the one-up position in china.


The company was founded in 1992 and classified as one of the high-tech enterprises in Guangzhou City by the Guangzhou Municipal Science and Technology Commission. It completed the structural reformation in 2009, and officially replaced its name into Guangzhou Hearten auto parts co., Ltd.

Company Culture

At the same time,we have been dedicated to research the applicable development of new technology and material of piston rings and leaded the use of a new type of wear-resisting material "DT" (national patent), alloy inlay technology(national patent),and porcelain permeated technology integrating with the capabilities of high tightness and thermal stability with the advantages of high vibration damping and low coefficient of friction. After that the product becomes more durable and environmental.Those technologies are now in the international forefront

Lean Production

Our company owns piston rings production line up to the international level and some high-end equipments such as rub-resistant alloy forming mosaic equiment,equiment for porcelain permeated,and decration coating equipment.In addtion,we are equipped with large number of operators being rigorously trained.All those lay a solid foundation for product quality and new products development.

Quality Control

The company embraces the spirits of "strive of perfection" and the continuously improving philosophy of "Till good is good is better ,But better best",adthering to scientifically manage the whole business process in strict accordance with TS16949 international quality system.Our ultimate goal is to get customers feel comfortable about our product.