Taizhou Olanda Industry Co., Ltd. is a non-ferrous metal manufacturer specializing in producing high conductivity copper castings, such as copper fittings for radiator, air-conditioner,etc. and also developing all kinds of pressure gauges, gas reductor, temperature controller, thermometer, cylinder.pneumatic, panel meter,breaker,watt-hour meter and spare parts. The product are extensively used in many fields such as petroleum, chemical, metallurgy, electric power, spin, so on and mine. We enjoy high prestige of customers at home and abroad