Polytech Control ( Chengdu) CO., LTD, thesubsidiary ofPolytech (Hong Kong) International Investment CO., LTD. isspecialized regional agents for many international top brandsinstrumentation, valves and etc. Its business covers the oil, gas,petrochemical, chemical, power station, distributors, as well asother related industries. The value of trade for the last threeyears achieved more than 250 million RMB.