Construction Points cold-rolled ribbed steel bars: cold-rolled ribbed steel bars to check the quality documents. The factory mainly the cold-rolled ribbed steel bars certificate, cold rolled steel, supervision and sampling inspection reports and testimony and sampling of steel mechanical properties, process performance test reports, after two tests must be above the provincial level administrative department of construction certification examination detection unit detects, CRB550 cold rolled steel manufacturers, the technical indicators must comply with the relevant specifications. Unit project, quality supervisors should be based on engineering characteristics of the main specifications supervision and sampling. Cold-rolled ribbed steel bars: Screening procurement. To ensure quality cold-rolled ribbed steel bars, through the sale of products on the market evaluation of the quality, CRB550 cold-rolled steel prices, choose strong production capacity, quality and good reputation of the company's cold-rolled ribbed steel bars. Admission test. Cold-rolled ribbed steel bars entering test, after inspection before use. Inspection by the same factory, same brand, same size as a group, and the batch weight of not more than 10t.