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Development History

Development History

● 2007
The company was established by Mr. Hongbin Wang in the company name of Shanghai Rongou Chemical Technology Co., Ltd. And start to deal with export business.

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● 2012
Our workers have increased to more than 100 employees.

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● 2013
Company name has changed to Longou International Business (Shanghai) Co., Ltd.

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● 2018
Our company established a branch company Puyang Longou Biotechnology Development Co., Ltd.

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● 2020
We start to build new factory producing emulsion--HANDOW Chemical.

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