Manufacturing method, injection molding system, and mold

A mold used in an injection molding system including an injection molding machine and a conveyance apparatus configured to convey the mold to a molding operation position in the injection molding machine, the mold comprising:

• a first mold including a first unit configured to close a first opening portion for injecting a resin to a cavity;
• a second mold;
• an intermediate mold located between the first mold and the second mold,
• the intermediate mold including a second unit configured to close a second opening portion for receiving the resin from the first mold and a plurality of ports, with each port of the plurality of ports being connected to the cavity, which extends through the intermediate mold;
• and
• a third unit configured to close a third opening portion for receiving the resin from a nozzle of the injection molding machine,
• wherein, with the first unit and the second unit in an open configuration, the resin flows from the first mold, through the intermediate mold, into a plurality of mold cavities on a face of the first mold and into a plurality of mold cavities on a face of the second mold.