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Morrow Company Development Timeline

652f53293c36c90472

1992

Established "Chengdu Morrow Electronic Equipment Factory", producing thyristor inverter welding machines.

1993

Founded "Sichuan Morrow Welding Development Co., Ltd."

1994

Manufactured China's first inverter submerged arc welding machine.

1996

Produced MOS tube half-bridge inverter welding machines & obtained High-Tech Enterprise certification.

1997

Achieved international "ISO9000 System Certification".

1998

Produced China's first inverter stud welding machine.

1999

Manufactured IGBT module half-bridge inverter welding machines.

2001

Produced IGBT module full-bridge inverter welding machines.

2003

Manufactured IGBT module full-bridge soft-switch inverter welding machines & produced China's first inverter spatter-free gas shielded welding machine (Cold Arc welding machine).

2004

Produced the first DSP inverter digital welding machine.

2013

Produced China's first high-speed pulsed gas shielded welding machine.

2014

Produced China's first tandem inverter submerged arc welding system.

2016

Produced China's first high-speed pulsed thin-sheet gas shielded welding machine.

2017

Produced digital hot wire TIG welding machines.

2019

Produced carrier welding machines.

2021

Produced constant penetration welding machines.

2022

Produced deep penetration pulsed welding machines & SiC (silicon carbide) inverter welding machines.

2023

Produced single-arc twin-wire gas shielded welding machines, retractive wire CMT (Cold Metal Transfer) welding machines, and narrow gap gas shielded welding machines.

2024

Produced China's first single-arc twin-wire CO² pulsed gas shielded welding machine.
01020304050607080910111213141516

Power Supply Products for the Titanium Industry

652f53293c36c90472

2009

Modified an 800A TIG welder for use as a vacuum chamber welding power source.

2011

Produced the first DC-1000 DC power source.

2012

Produced the first MR-1000 plasma power source.

2015

Produced the first digital MR-1000 plasma power source.

2021

Produced the first modular MR-1000 plasma power source.

2023

Produced the first modular water-cooled MR-1000 plasma power source & the first induction furnace heating power supply.

2024

Produced the first melting power source.
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