Petrochemical fasteners, 30% profit, traditional industry should be a good choice.

The processing of petrochemical fasteners is similar to other fasteners, but the price is higher than other fasteners. Of course, petrochemical fasteners require relatively high materials and heat treatment. In addition, petrochemical fasteners need to provide quality certificates and raw material quality certificates.

In addition, in addition to direct procurement, there are many large purchases that need to be tendered.

However, at present, petrochemical fasteners should be regarded as the best fastener industry in China for the time being, with large quantity and high price, which will always be needed.