1, photovoltaic bracket materials are divided into main and auxiliary materials, the main raw materials including steel plate, steel pipe, profiles and cast steel, etc.; auxiliary raw materials including connecting materials, painting materials, welding materials, connecting fasteners, anti-corrosion coatings, etc..

1.2, pipe, profile materials need to meet the needs of the corresponding standard documents.

2, pv bracket installation materials, must have a quality certificate, logo, inspection report, etc., need to mark its product varieties, specifications, performance indicators, product identification content needs to meet product standards, contract terms and design requirements.

3, bracket production and installation of materials used, standards require retesting, must be in accordance with the current standards and terms of the ordering contract, the performance indicators of the retest, qualified, before the bracket can be used in the production and installation of the bracket.