Guolian Quality Inspection is a legally recognized comprehensive third-party testing and certification organization, providing inspection and testing, certification, safety evaluation, metrology services, supervision and spot checks, environmental assessment, environmental governance, product research and development, consulting and training, unknown substance analysis and other services. The group was established in 2011 and has over 20000 square meters of laboratories and more than 700 professional and technical personnel nationwide. Its service capabilities cover 42 fields, 121 categories, and 6000+parameters, with more than 100000 cooperative clients and a total of over 500000 reports issued.

As a third-party testing and certification organization, Guolian Quality Inspection has always operated the enterprise with a high sense of social responsibility and given back to society. Relying on professional technical strength and the "customer-oriented" service concept, it has received attention and recognition from the government, enterprises, and various sectors of society.

Core Testing Services: Engineering Material Testing Company, Stainless Steel Material Testing Institution, Non Destructive Testing Company, Bolt Testing, High Strength Bolt Torque Coefficient Testing, Steel Structure Corner Bolt Testing, Metal Testing Institution, Power Cable Testing, Pipe Testing Institution, Plastic Pipe Testing Institution, Plastic Product Testing Center, Rubber Composition Testing, Solid Waste Treatment Testing, Soil Testing Institution, Soil Testing Company, Water Quality Testing Center, Water Quality Testing Institution, Chemical Testing Center, Chemical Testing Institution, Plastic Runway Testing Institution, Coal Testing Institution, Natural Gas Testing Institution, Anti Wear Hydraulic Oil Testing, Medical Device Testing, Biocompatibility Testing Institution, Food and Drug Testing Center, Disinfectant Testing, etc.