Since establishment, Zhonghuan has been implementing an advanced, effective, and continuously-improving quality management system. To ensure world-class quality, every product is subject to a standardized process of production which includes: design, selection, production, inspection, and release.

2002
2002

 In the mystical lands of Chengdu, within the grandeur of Ke Fen Yuan Da Dong Cheng, a modest 25office saw the birth of Chengdu Zhonghuan Electromechanical Equipment Co., Ltd. Granted the prestigious regional authorization from the illustrious American Cameron Company and others.


2003
2003


 The journey continued as the office expanded to 45in Xin Hua Yuan. Zhonghuan's name echoed through the mountains of Chongqing with contributions to the Datianchi Project. Their expertise further immortalized in the Chongqing Gas field Twin Line Dehydration Project and the Chongqing Jinshan Station Dehydration Reconstruction Project.


2004
2004

A legend grew with participation in the high-sulfur gas field project of Luo Jia Zhai in PetroChina Southwest Oil and Gas Field.


2005
2005

Zhonghuan ascended to become Cameron's official after-sales service center in China.


2006
2006

The epic saga saw a leap as they moved to Dayi High-Tech Incubation Park, with a sprawling 630office. Innovation soared with the development of wellhead safety control systems. The first safety system safeguarded the Tian Dong 98 Well in Chongqing. Their prowess extended to the construction of the first and second West-to-East Gas Pipelines.


2007
2007

 Their tale intertwined with the PetroChina Southwest Oil and Gas Field’s South and North Main Line constructions. Chongqing Gas Field Five Hundred Ladder Gas Field's pressurization project bore their mark.

2008
2008

With a stroke of genius, Zhonghuan developed Gas Over Oil Actuators. They fortified Chuanqing Drilling with dual safety valve control systems and supplied wellhead safety systems for Longgang Gas Field.

2009
2009

The legend grew as Chengdu Zhonghuan Fluid Control Equipment Co., Ltd. was established. Their first Gas Over Oil Actuator powered the PetroChina Jiulongshan Trial Production Main Line Project. These marvels reached beyond borders, finding a place in Pakistan.

2010
2010

 A magnificent factory rose at Konggang 2nd Road No. 1488, covering 4800. They mastered the art of crafting API 6A Hydraulic and Pneumatic Actuators. Their creations earned the revered ATEX certification and ISO quality management system certification.

2011
2011

Zhonghuan embraced the 6S on-site management. With ERP and PLM software in play, their Gas Over Oil Actuators ventured to Nigeria and Turkey.

2012
2012

Their commitment bore fruit with HSE management system certification and API 6A certification. For the Southern Xinjiang Welfare Project, they provided 175 sets of Gas Over Oil Actuators. The title of High-Tech Enterprise was bestowed upon them.

2013
2013

The odyssey continued with the creation of Electro-Hydraulic Actuators. Their safety systems journeyed to Iraq. A historic pact with PetroChina saw the domestication of crucial Gas Over Oil Actuators for 40" CL600 and 48" CL900 pipelines.

2014
2014

 Zhonghuan achieved a milestone,to pass the domestic verification for Gas Over Oil Actuators. Their full-machine SIL2 certification brought new laurels. A victory in the bid for the Harbin-Shenyang Main Pipeline Gas Over Oil Actuators.

2015
2015

 A transformation into a joint-stock company, becoming Chengdu Zhonghuan Fluid Control Mfg. Co., Ltd. They innovated with safe and compact actuators and provided Gas Over Oil Actuators for the East Section of the West-East Gas Pipeline 3rd Line.

2016
2016

Listed on the National Equities Exchange and Quotations system. Acquisition of a modular design company marked their venture into oil and gas surface engineering skid-mounted businesses. Honored as the "Annual Excellent Supplier" by PetroChina Southwest Oil and Gas Field. Provided self-operated wellhead emergency shut-off valves for the Tarim Oilfield.

2017
2017

Pass PetroChina’s 56” CL900 pipeline valve Gas Over Oil actuator domestic verification. Earned the title of "Annual Performance Excellent Supplier" by Southwest Oil and Gas Field. Supplied 48" CL900 Gas Over Oil Actuators for the Shaanxi-Beijing 4th Line.

2018
2018

A grand 33,000factory emerged at Konggang 4th Road No. 2139. They played a pivotal role in the Xinjiang Oilfield Kelamayi Cryogenic Project skid-mounted EP package. Supplied Gas Over Oil Actuators for Sinopec's New Yue-Zhe Project. Won the bid for Sinopec Wen 23 Gas Storage Well Safety System.

2019
2019

 Crafted the industry standard for Gas Over Oil Actuators, officially released (Valve Standard Committee). Honored as "Annual Excellent Supplier" by Southwest Oil and Gas Field. Provided Gas Over Oil Actuators for the China-Russia Natural Gas Pipeline. Over 90 skids for the Taiyang-Dazhai Shale Gas Capacity Construction Project.



2020
2020


Achieved TS manufacturing license for pressure vessels and piping components, and ASME U certification. Standards for wellhead safety control systems released (Drilling and Production Standard Committee). Received Sichuan Province’s Gazelle Enterprise certificates. Honored as Sinopec's "Annual Excellent Supplier of Actuators". Over 3000 Gas Over Oil Actuators sold.



2021
2021

Recognized as a "National Specialized, Refined, and New 'Little Giant' Enterprise". Among the first IPO listings on the Beijing Stock Exchange. PDM and MES software launched. Awarded the first prize in Xinjiang's Science and Technology Progress Award. Supplied and launched the Jin Qiu Gas Field and Zhejiang Oilfield YS137 skid-mounted project.


2022
2022

Acquired a control valve manufacturing company, expanding into the control valve business. Earned the title of Sinopec’s "Annual Excellent Supplier of Actuators". Included in PetroChina's list of primary material suppliers for treatment skids. Provided gas module devices for the national key project - Tashan South Natural Gas Comprehensive Utilization Project. Supplied wellhead safety control systems for the highest sulfur content block in China - Tie Shan Po Gas Field. Provided Gas Over Oil linked actuators for national pipeline network projects such as the China-Russia East Line and the West-East Gas Pipeline 3rd Line. Supplied electro-hydraulic linked actuators for the Changqing Oilfield tank bottom valves. Supplied pneumatic actuators for the CNOOC Bohai Project.

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