About us

P. Chemitech is a well-recognized leader as importer, formulator, and distributor of agrochemical products in Thailand, with the famous trademark  "Red Dog", representing highly strong brand for 53 years.

P. Chemitech has a factory, under subsidiary company, THC Agroscience Company Limited (Thai Herbicide Company Limited) and the distributor named Alvy Crop Solution Company Limited.  We are the first manufacturer of Glyphosate and 2,4-D Amine in Thailand. To date, the company has been awarded

ISO 9001 : 2015 certified (Originally ISO 9001:2000 since 2000.)

ISO 14001 : 2015 certified

ISO 17025 : 2017 certified.

1970    P. Chemitech Company Limited founded by Mr. Ek Lertdetdecha.

1974    First manufacturer and GR plant in Nonthaburi province.

1986    Became the sole distributor of 2,4-D Sodium Salt from Poland until now

1989    Established formulation plant under the name Thai Herbicide Company Limited at Bangpoo Industrial Estate, Samutprakarn province.

1997   Established Standard Laboratory for agrochemical.

1997   Established EC and SL formulation plant.

2002  Established the Research and Development Center in Nakhonpathom province.

2004    Became the first Glyphosate formulator, and the only one with glyphosate 62% IPA in Thailand.

2007    Became the first 2,4-D Amine formulator in Thailand.

2014    Business expanded to Cambodia market

2015    Business expanded to Myanmar market

2018    Established Alvy Crop Solution Company Limited mainly focus on environmental-friendly products.

2022    Changed the manufacturer name from Thai Herbicide Company Limited to THC Agroscience Company Limited.
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