Established in 2002,Shijiazhuang Wanlixin Metallurgy Technology Co.,Ltd.developed into a leading manufacturer of molten metal sensors in China.Products export to Russia,Korea,Vietnan,India,Pakistan etc.countries and regions.Our factory quality system is approved by ISO9001:2000.The main products including:fast response thermocouple,liquid metal sampler,oxygen detecting probes,2-in-1 combined sensor,3-in-1combined sensors, molten metal temperature indicator and accessories of above product.