1. Customer’s  payment bill before production.

2. Customer’s  payment bill after production.

1. Provide customers with drawings and produce according to the drawings.

2. The Sound Attenuator are in production.

3. The Sound Attenuator are assembled by our workers.

4. Send production pictures to customers.

1. Sound Attenuator packing box.

2. The Sound Attenuator are packed and ready to be shipped to the port.

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