Estweld exothermic power have qualified by natioanl authority test department"WHVRI" with the inspection report.

Estweld exothermic power /

have got patent from State Intellectual Property Office of the People's repubilic of China.

we developed an upgraded version of exothermic welding products-ESTweld plus.Stable quality and reliable performance leading position in domestic  .which widely used in electric power, railway, industrial, petrochemical, telecommunications and electronics industry. Currently we are achnowledged as "qualified supplier" by many large national construction companies.Such as, China Nuclear Industry 22ND Construction Company, China Nuclear Industry 23ND Construction Company, China Nuclear Industry 24ND Construction Company, China Petrochemical, China Railway, China Water & Electricity, etc.