Hengshui WEIYE Level Instrument Co., Ltd. is the largest of level instrument manufacturers in China. We have advanced technology, strict inspection system and great ability on research. We have several hundreds types of products, and mainly cover: plastic level vial, glass level vial, metal level vial, electronic level vial and electronic compensator.All of our products can meet national standard GB1146-89 and can also meet requirement of ROHS for Europe market. The products are widely used on Theodolite, Total station, Automatic level, Forestry compass, Counterpoint tribrach, Electron scale etc. We develop from a collectivity factory in 1970, and now, we are a private limited company. In the past seven years, we developed our market rapidly with the sensitive reaction on market and exploitation of new products. Now, our market has developed from the north to countrywide. At the same time, we are always enhancing our ability on developing international market. Now, we have developed our market in Europe, America, Middle east, Japan area and become long-term partner of great companies in Europe, America and Asia. The strict requirements from international market are also improving our development. At the same time, with the help of advanced equipment, we have got the ability to produce more than 300 types of level vial. They mainly include: High precision glass tube level vial; Common glass tube level vial; Outer arc glass level vial; Glass round level vial; Metal level vial; Electron level vial; Plastic level vial; Electron compensator; Level sensor. We will be always here and serve you with our special technology, high quality products, reasonable price and timely delivery.