⎝⎛必赢真人娱乐⎞⎠

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Company Profile
Dolin Honor
Dolin culture
development path

1994

Doolin's first all-solid-state high-frequency welding machine

The founder Zeng Xiaolin participated in the development

1996

Chengdu Duolin Electric Factory was established

HFP-15, 20 high frequency welding machine developed successfully

1997

HFP-25 high frequency welding machine developed successfully

Development of Fujian and Shandong markets

1998 HFP-30 high frequency welding machine developed successfully
Year 1999 Super audio SSF-40 induction heating equipment developed successfully
year 2002

Chengdu Duolin Electric Co., Ltd. was established

Doolin's first high-frequency fusion prototype successfully developed

Year 2003

Nearly 10,000 square meters of production plant was completed and put into use

Products passed ISO9001: 2000 international quality certification

Obtained two national patents for all-solid-state induction heating equipment and melting prototype

12 provinces, regions and regions in the country formally established

year 2004 Sales exceeded 10 million yuan
In 2005

Certified as a high-tech enterprise

Successful development of rivet heating furnace

2006年 2006

High-frequency melting prototype won the Sichuan Science and Technology Innovation Award

Program-controlled quenching machine, gold and silver melting furnace, fourth-generation dual-pot dual-mold prototype successfully

40 national after-sales service outlets completed

Sales exceeded 20 million yuan

In 2007

Implementing the brand strategy of "quality lean, efficient service"

International Foreign Trade and Strategic Development Center formally established

Ningbo branch was formally established

MFP-160, 200 intermediate frequency induction diathermy furnace developed successfully

HHFP-2A ultra-high frequency induction heating machine successfully developed

Travel to India

Supplier Friendship Convened

Donated 10 poor students from Sichuan Top University, 100,000 yuan for 5 years contract

Year 2008

Successfully restructured into a joint-stock company with employee shares

Carry out TSP salesman and agent training

MFP-300, 500 intermediate frequency induction diathermy furnace developed successfully

Melting prototype and induction heating technology laboratory completed

High-temperature aging laboratory completed

Duolin Machinery Processing Plant (including heat treatment) was established

300,000 charity donations (including 100,000 donations for earthquake relief)

Sales exceeded 30 million yuan

Travel to Japan

Year 2009

Obtained the first batch of energy-saving product qualification certificates in Chengdu

200KW super audio quenching equipment and aluminum melting furnace developed successfully

"Railway special rivet heating furnace", "Full-automatic casting high-frequency melting sample equipment", "Intermediate frequency induction heating equipment"

Consecutively included in the "Chengdu Local Famous Products Recommended Catalog"

Obtained three patent certificates of energy-saving high-power IGBT series resonant intermediate frequency induction heating power circuit

Established the International Department of Foreign Trade and participated in the Australian International Industrial Manufacturing Exhibition,

Company registered capital increased to 5 million

2010年 2010

MFP-600, 800 intermediate frequency induction diathermy furnace, 2500KVA

Encapsulated transformer and internal circulation cooling system developed successfully

Super-high-power energy-saving diathermy equipment project won the first place in Chengdu

Obtained two patent certificates for remelting furnace patent and integrated transformer

Participated in the United States International Industrial Manufacturing Exhibition

Visit to Taiwan

Sales exceeded 40 million yuan

year 2011

Successfully developed PVE-200 solar vacuum tube evaporation heating equipment for Shandong Huangming

SSF-TR-250 induction heating equipment developed successfully

SSF-CH-200 induction heating equipment developed successfully

Held 5 customer service technical exchange meetings in Hebei, Shandong, Zhejiang, Chongqing and other places

Attend the 12th China International Forging Conference and make a wonderful speech on stage

Participated in "China International Metal Forming Exhibition" in Shanghai

Overseas sales exceeded 10 million yuan

2012

The First Staff Conference "The Road to Dorin" was successfully held

The company passed ISO9001: 2008 international quality certification

Named as "Top Ten Internet Companies in Sichuan" by Alibaba

Passed the national high-tech enterprise review, and won the title of the sixth batch of innovative construction enterprises in Sichuan Province

"Career Planning" Keynote Speech for Top University Students

Obtained four patent certificates for intermediate frequency elbow heating equipment, aluminum melting furnace, C-type annular heating furnace, and solar collector tube coating

200kg fixed (dumping) aluminum smelting complete set was successfully developed

Automatic discharge feeder LS-BZ-50-Y successfully developed

Complete development of energy-saving complete equipment for on-line heat treatment production line for long bar

Attend 6G management training

year 2013

Marketing service team participates in Alibaba expansion training

Doolin marketing team participated in the study of Mr. Wang Zijie's "Internet Super Business Model President Class"

The 6th Guangdong Customer Service Technical Exchange Meeting was successfully held

Listed in the first batch by the Sichuan Provincial Supporting Leading Product Leading Group Office

"Recommended Catalog of Local Famous Products in Sichuan Province"

"IGBT-based high-power intermediate-frequency energy-saving forging heat-permeable equipment + MFP (model)"

Obtained the title of Chengdu Key New Product in 2013.

Obtained the constant temperature control system of high frequency melting sample equipment, and the super high power IGBT induction heating equipment.

Two utility model patents for current balancing system and full-bridge inverter unit

Implement the national standard of "GB / T29490-2013 Enterprise Intellectual Property Management Regulations",

Application for the Third Batch of Sichuan Province Intellectual Property Pilot Enterprises


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our service

Chengdu Duolin Electric Co., Ltd., induction heating, induction heating equipment, induction heating equipment manufacturers, induction brazing, high frequency brazing, high frequency welding machines, high frequency furnace manufacturers, energy saving intermediate frequency furnaces, brazing machines, heat penetration Intermediate frequency furnace, intermediate frequency electric furnace, intermediate frequency electric furnace, intermediate frequency furnace, intermediate frequency heating, intermediate frequency heat treatment, intermediate frequency pipe bender, intermediate frequency furnace price, intermediate frequency quenching, intermediate frequency diathermy furnace, intermediate frequency forging furnace,

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Duolin Electric is an experienced professional induction heating equipment manufacturer specializing in providing customers with induction heating technology and solutions.

86-28-83965735
86-28-83955243
sale@duolin.com
No. 112, Hancheng Road, Xindu District, Chengdu City, Sichuan Province
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