class BankDetails extends React.Component {
  constructor(props) {
    super(props);

    this.state = {};

    this.handleChange = this.handleChange.bind(this);
  }

  render() {
    <div>
      <label htmlFor="bank_name">Bank Name</label>
      <Select
        onChange={this.handleChange}
        id="bank_name"
        name="bank_name"
        value={this.state.bank_name}
        />
      <label htmlFor="bank_account_type">Bank Account Type</label>
      <Select
        onChange={this.handleChange}
        id="bank_account_type"
        name="bank_account_type"
        value={this.state.bank_account_type}
      />

      // render the rest of the fields here....

    </div>
  }
}