The quality standards and technical requirements for China's export rebar primarily adhere to the following specifications:

Firstly, GB 1499.2-2018: Steel for the reinforcement of concrete - Part 2: Hot-rolled ribbed bars (HRB). This standard specifies the chemical composition, mechanical properties, rib shape, and dimensions of the rebar for concrete reinforcement.

Secondly, GB/T 5224-2014: Steel bars for prestressed concrete. This standard applies to rebar used in prestressed concrete and sets forth the requirements for chemical composition, mechanical properties, thread shape, and dimensions.

Thirdly, GB/T20065-2016: Steel bars with enhanced cold workability for reinforcement. This standard defines the chemical composition, mechanical properties, thread shape, and dimensions for cold-worked rebar suitable for cold processing.

Additionally, China's export rebar must comply with international standards and customer requirements. Depending on the target market, it may need to meet international standards such as ASTM (American), BS (British), or JIS (Japanese), among others.

In general, the quality standards and technical requirements for China's export rebar are based on China national standards and may also need to meet relevant standards and requirements of the target market. The specific quality standards and technical requirements may vary depending on the intended use of the product, regulations of the destination country, and customer specifications. Therefore, we will ensure that rebar products meet the applicable China and international standards and fulfill the quality and technical requirements of the target market before exporting.

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