... sample color B. Panton or Ral Code Material: 1. Aluminum: Southwest Aluminum (group) Co., Ltd. 2. Paint: Henkel, Valspar, Becker and ... sample color B. Panton or Ral Code Material: 1. Aluminum: Southwest Aluminum (group) Co., Ltd. 2. Paint: Henkel, Valspar, Becker and ...