Hangzhou Zhongwang Technology Co., Ltd. is a professional manufacturer of laboratory instruments for 12 years, providing overall lab solutions, main products including automatic ubbelohde viscometers,constant temperature instruments,automatic pipettor,automatic preparation pipettor,environment detectors with well-equipped testing facilities and strong technical force. With a wide range, good quality, reasonable prices and stylish designs, our products are extensively used in university labs, industrial labs, Chemical fiber, Medicine and other industries.With Auto test as our mission, we continuously create excellence laboratory instruments for the user. Each product is unique to the market, and meet demands of the clients. Our products are widely recognized and trusted by users and can meet continuously changing economic and social needs.We welcome new and old customers from all walks of life to contact us for future business relationships and mutual success!