Nantong Narsei Testing and Certification Co., Ltd

Nace Testing & Certification Co., Ltd. Was established in 2019, the company has a strong technical service team and perfect management system, can carry out CE certification (305/2011/EU- CPR regulations for building materials, 200642EC- MD Directive for Machinery Equipment, ATEX 2014/34/EU- Explosion-proof Products Directive, 2014/30/EU- Electromagnetic Compatibility EMC Directive, 2014/33/EU- LIFT Directive for Elevators and Safety Components, 2014/68/EU- PED Directive for Pressure Equipment, 2014/29/EU- SPVD Directive for Simple Pressure Vessels); At the same time, we can conduct ISO3834, EN 1090/15085 international welding system certification, AISC Steel structure manufacturer certification, NADCAP aviation system certification consultation.

As a third party inspection organization, the business scope is as follows: Steam turbine, fan, tower, skid-mounted, LNG storage tank, scrubber, heat exchanger, pipe fittings and pipelines, pressure vessels, structural parts, electric control cabinets, boilers, valves, elevators, etc.; Including meet ISO 15613/15614/14555/14554/9606/14732, AWS D1.1/1.6, ASME IX of welding procedure qualification and conform to the welder qualification authentication;

As a third party testing institution, its business scope is as follows: Mechanical property testing of metal materials (tensile test, bending test, impact test, pressure test, Vickers hardness test, CTOD test), failure analysis of metal materials and products (corrosion failure, fracture failure, deformation failure, wear failure), weld macro metallography, etc.;

Non-destructive testing (liquid penetration PT, ultrasonic testing UT, visual inspection VT, magnetic particle testing MT, X-ray testing RT) Material testing (intergranular corrosion, gas corrosion, simulated corrosion, NACE corrosion, uniform corrosion, spot corrosion, crevice corrosion) Metallurgical testing (depth of carburizing layer, phosphide film testing, high-magnification microstructure, low-magnification microstructure, high-magnification microstructure, high-magnification microstructure, high-magnification microstructure, high-magnification microstructure, high-magnification microstructure, high-magnification microstructure, high-magnification microstructure, high-magnification microstructure, high-magnification microstructure, high-magnification microstructure, high-magnification microstructure, low-magnification microstructure, low-magnification corrosion) Powder metallurgy metallurgical analysis, coating thickness analysis, ductile iron, pearlite content, ferrite content, macro metallurgical analysis, fracture analysis).