Jinhua Yijia Tools Factory which professionally produces series spirit level vial Bubble for measuring Instrument, measuring tools and hand tools, which possesses a completely line production capability of making level bubble vial, assembling, packing and designing new products and making the mould with advanced technology and skill. Our Bubble vial mainly classified into two catergories of plastic spirit level vials and glass spirit level vials, which made by Acrylic(PMMA) and glass material, including series cylinder type vial, Round type vial,Square type vial and metal glass vial, the precision is from 4" to 60';.