Anhui ARN Group Co., Ltd.

Company Profile



No. 1599, Dabieshan Road, High-tech Zone, Anqing, Anhui 246001, China

Business Overview

-The Anhui ARN Group (ARN) is engaged in the development, manufacturing, and sales of key engine components, New Energy Vehicle parts and special steel profiles. The main products are piston rings, valve seats and guides, pistons and piston pins, cylinder liners, engineering springs, seals and plastic rings, cooling tubes, drive batteries and other products.

-The Company has 10 production sites in Anqing (Anhui Province), 2 in Hefei (Anhui Province), and 1 each in Dalian (Liaoning Province), Langfang (Hebei Province), and Xi’an (Shaanxi Province).

-In 2022, the Group's sales increased by 13.5% year-on-year to CNY 13.937 billion. The Group employed over 7,000 people.

-In 2022, the Company established a joint venture technology center with TPR Co., Ltd. in Anqing City, Anhui Province.

-Samsung SDI-ARN (Xi'an) Power Battery Co., Ltd., a joint venture with Samsung SDI Co., Ltd., has an annual production capacity of 18GWh.


(As of December 31, 2022)
Shareholders Shareholding ratio
Anqing Huanxin Investment Management Co., Ltd. 71.20%
Others 28.80%
Total 100%


Piston rings
<Compression Rings>
-Chrome plated keystone rings
-Plasma sprayed rings
-GT (gas tight) rings
-PT-coated rings
-CD-coated rings
-Taper-faced rings
-Asymmetric oil scraping rings
-Chrome plated taper faced rings

<Oil Rings>
-Px-type spacer expanders & Cr-plated rails
-Px-type nitrided expanders & GT-nitrided rails
-Ux-type expanders & Cr-plated rails
-Tx-type expanders & Cr-plated rails
-Sx-Type expanders & Cr-plated rails
-Slotted cast iron oil control rings
-Oil control rings with coil expanders
-I-rings with Cr plated periphery

Piston ring parts


Cylinder liners

Valvetrain parts

-Valve seat inserts
-Valve guides
-Valve springs
-Spiral springs

Automotive Power Batteries
-New Energy Vehicle battery packs

-Resin sealing ring for automatic transmissions
-Double clutch spring packs
-OCV valves
-Turbocharger bushings
-Cooling tubes


1953 Anqing Piston Ring Factory was established.
June 1996 The Company established Anqing TP Goetze Piston Ring Co., Ltd. jointly with Teikoku Piston Ring Co., Ltd. (Japan) and Federal-Mogul (U.S.A.).
Aug. 1997 The Company started production at a new plant.
Dec. 1999 Teikoku Piston Ring Co., Ltd. and Anqing TP Goetze Piston Ring Co., Ltd. jointly established Anqing TP Powder Metallurgy Co., Ltd. to manufacture valvetrain components.
July 2001

The Company passed a quality test given by Dongfeng Peugeot Citroen Automobile.

Oct. 2001 The Company started mass production of cylinder liners.
Jun. 2002 The Company and Art Metal MFG jointly established Anqing Art TP Pistons Co.,Ltd. to manufacture pistons.
July 2004 The Company, Teikoku Piston Ring Co., Ltd. and Federal-Mogul jointly established Anqing TP Goetze Liner Co., Ltd. to produce cylinder liners.
Jan. 2005 Anqing TP Goetze Liner Co., Ltd. launched production of cylinder liners at its plant in the Anqing Economic and Technological Development Zone.
Feb. 2005 The Company, Teikoku Piston Ring Co., Ltd., and Yoosung Enterprise Co. Ltd. (Korea) jointly established China United Piston Ring Co., Ltd. to make piston rings.
Sep. 2006 The Company, Teikoku Piston Ring Co., Ltd., Dalian Yuantongda Trade Consulting  Co., Ltd. (China) and  Xin-An Trading Co., Ltd. (Japan) jointly established Dailian Boxin Special Steel Products Co., Ltd. to manufacture piston rings and other wire rods.
Oct. 2006 The Company and Scherdel of Germany jointly established Anqing Scherdel Automobile Parts Co., Ltd. to manufacture piston rings.
2010 Hefei Huanxin Auto Parts Co., Ltd. was established.
Aug. 2013 Anhui Huan Ming Precision Control Co., Ltd. was established.
Mar. 2014 Anqing TPR Engineering Plastic Co., Ltd. was established jointly by the Company and Japan TPR.
Jun. 2014 Samsung SDI ARN (Xi'an) Power Battery Co., Ltd., a joint venture of the Company, Samsung SDI, and Xi'an Gaoke (Group) Company, was established.
Jun. 2014 Huangxin Federal-Mogul Powder Metallurgy Co., Ltd., a joint venture between the Company and Federal-Mogul of the U.S, held a groundbreaking ceremony in Anqing. The joint venture will manufacture valve seat inserts and valve guides.
2015 The Company established AXM and AXN with SAIF Partners.
2016 The Company established ARN Germany and ARN Japan.
Nov. 2018 The Company established Aisin (Anqing) Auto Parts Co., Ltd. jointly with Aisin Seiki Co., Ltd.
Dec. 2020 Aisin Anqing Automotive Parts Co., Ltd. started operations.
Feb. 2022 A technical center was established jointly with TPR in Anqing City, Anhui Province.

Supplemental Information 1