Hangzhou Yanshan Import&Export Trade Co.Ltd is a new trade company. We have our own factory lines in Jiangsu province. Our professional team has many years of experience in the production of flow meter , pressure type thermometers and constant flow pump, and GM series light heat –insulating bricks.We manufacture not only standard products , but also measuring devices according to the our customer&＃039;s drawings or samples and with customer&＃039;s private label .We own our success to the high quality of our products .It ranks among the uncompromising choice of raw material , a strictly controlled production process and a perfect quality assurance .It&＃039;s our pleasure to seek for genuine partners from home and abroad. Our products widely used in petroleum industry, chemical industry, light industry, textile, pharmacy and medical treatment, paper making, food, heat treatment, and enviroment protection etc.and research departments of measurement and test.