The shanghai tunnel construction waterproofing materials ltd. (shanghai tunnel engineering co., waterproofing materials plant) is part of shanghai tunnel engineering co. Ltd., a specialized plant for the production of polyurethane waterproofing paints and leakproofing materials, certified through the iso 9001:2000 version quality management system. The factory is located in shanghai and comprises approximately 24,000 square metres of land, 150 employees and 52 professionals of all types, including 2 senior professors and 34 middle- and senior-level professionals. The main products of the plant are: the upper plate polyurethane waterproof paints, waterproof coatings, cement base permeating crystallized waterproof coatings, sealing materials, slurries, geotechnical composite materials, scrolls, etc. Waterproofing materials have been used in the country's shanghai tunnel and orbital traffic project, nanjing metro and tunnel project, beijing metro project, guangzhou metro tunnel project...