1990

1989: Prep team formed, rented old Haiyan Nanmenqiao Garment Factory building for offices. 

Mar 1990: Joint venture Guiyang Tools Factory-Haiyan Branch Factory founded here. 3 years later, address updated to No.239 Xinqiao North Rd. Main products: roughing end mills & rectangular spline ring/plug gauges.

1992

1999

1990–1992: Amid adverse global conditions, roughing end mill export orders plunged, putting the factory at risk of closure. Leadership worked relentlessly to expand markets, pulling through the crisis in the early startup phase.

From 1993 to 1995, the operation gradually fell into place. In order to expand, the factory began to produce broaches and hobs for processing agricultural machinery gears. At that time , the largest customer was . "Changzhou Feitian gear factory".

In 2003, the new office building and canteen on Xinqiao North Rd. were completed. In 2004，the information management-ERP system was added .

1997

From 1996 to 1997, the factorywas reformed to "Haiyan guigongMeasuring and Cutting Tool Co.,Ltd." And successively established"Jiaxing Hengfeng Tools Co., Ltd."&"Jiaxing EST Tools Co., Ltd.". Thetrade name "Hengfeng" and thetrade mark "EST" were officiallyused afterwards.

2004

1998: Asian financial crisis hit exports. EST entered China’s automotive tool market. 

1999: EST launched modernization. Cash-strapped, EST mortgaged all assets for an 850000 Deutsche Mark loan, purchasing Germany’s first REFORM CNC spline grinder for automotive broaches.

2006

2004–2006: New products including custom CNC drill-milling cutters, steam turbine rotor slot mills, turbine disk slotting broaches & involute spline gauges launched, elevating EST’s product transformation and upgrading.

2007

Sep 10,2014: Xia Baolong, Zhejiang Party Secretary, alongside Lu Jun (Municipal Sec) & Shen Xiaohong (Haiyan County Sec), toured EST. Its management showcased domestically mass-produced 8yr-developed planetary ring gear helical broach — China’s sole, world’s 5th manufacturer. Xia called for continuous homegrown innovation.

2008

In 2008, EST successfully manufactured the firstextra large broach with a diameter of 230 mm anda length of 3 meters for Zhuzhou Gear Factoryin China. This broach caused a sensation in thetooling industry and received a lot of praise.

2010

In 2010, EST took great risks and successfully manufactured a slotting broach for the gas turbine disk of Harbin Turbine Co., LTD. 

This broach won the title of "the first set in key areas of China" in 2013.

2009

2011

In 2009, EST purchased plants in Yuxin Town, Jiaxing，and relocated the core drills & hole saws workshop to Yuxin.

 Later, all workshops were moved back to Haiyan in 2012.

In 2011, EST launched the shareholding reform andwas renamed "EST Tools Co., Ltd." 

In 2012, ESTstarted an investment project for the construction ofa new plant on Hengfeng Rd, which was completedat the end of 2014.

2012

In 2012，the national standard for spline measuring tools, which was revised and formulated by EST, was officially promulgated.

2014

Sep 10,2014: Xia Baolong, then CPC Zhejiang Sec, with Lu Jun (Municipal Sec) & Shen Xiaohong (Haiyan County Sec), visited EST. Management reported its 8-year planetary internal ring gear helical broach, mass-produced. 

EST: China’s only, world’s 5th maker. Xia urged sustained national innovation.

On July 1st, 2015, EST was successfully listedon the Shenzhen Stock Exchange with thestock code of 300488, and the IPO price of20.11 yuan, and raised capital of 213 millionyuan.

In May 2016, EST TOOL S America, Inc. was officially established. From 2017 to 2018, we rented a plant to provide tool sharpening services for customers in North America, and in 2019，we purchased a 24000 square foot faillity and relocated.

2017

2018

In 2017，EST completed the wholly-owned merger and acquisition of "Zhejiang Shangyou Tool Co., Ltd.". In 2018, with a total cost of 130 million yuan, the construction of a new plant in the Wenling eastern new area was completed, and a large number of advanced equipment were imported.

In 2018, EST formed a project team with Shanghai Jiaotong University, Shanghai Aircraft Manufacturing Co., Ltd, Shanghai Turbine Plant and other units to carry out the research on "design, manufacturing and application of efficient cutting tools", and the research won the second prize for National S&T Progress Award.

In 2019, the construction of Haixing Rd phase II project was completed。

the workshop was relocated in early May, and the administrative staff moved into the new office building on May 21.

2020

2021

2020 is the 30th anniversary of EST. A celebration was held on March 27. In the same year, EST won the Zhejiang provincial government quality award. In January, when the covid-19 broke out, the company actively responded and developed mask cutting tools.

In 2021，the construction of the North plant area & the staff sports ground & the new canteen and the reconstruction of the South plant area of Haixing Rd were completed. In the same year, EST won the title of "national manufacturing Individual champion demonstration enterprise".

2022

Feb 7, 2025: Wang Hao, CPC Zhejiang Secretary, visited EST, stressing manufacturing’s high-end, intelligent, green shift & tech-driven industrial innovation.

Aug 20, 2025: Liu Jie, Zhejiang Governor, visited EST, urging alignment with provincial "132" framework, integrated high-quality growth & sustained tech innovation.

2025: EST acquired Conprofe (Huizhuan) tap production line.

2024

2023

2025

On May 25, 2022, the then Secretary Yuan Jiajun of Zhejiang Province visited EST and inspected its products and workshops. Mr. Yuan praised and encouraged EST for the innovation and development it has achieved over the past 30 years.

In June 2024, EST set up its Austrian wholly-owned subsidiary to boost European footprint. That September, EST debuted at Germany’s AMB exhibition as EST Austria GmbH, pushing forward European expansion.

Mar 2023: EST launched a RMB 620mn convertible bond project, targeting 1.5mn extra precision cutting tools for high-end, intelligent, low-carbon markets. CSRC approved registration Dec 18. 

Bond “FengGong ZhuanZhai” (code 123239) issued Jan 19, 2024, listed on SZSE Feb 22.

1995

2019

2015

2016