Derusting, oxide skin removing and surface hardening for copper castings, sheet metal, stainless steel strips, aluminum castings.
铜合金铸件，薄板、不锈钢带、铝合金铸件除锈、除氧化皮及表面强化。
Derusting, oxide skin removing and surface hardening for copper castings, sheet metal, stainless steel strips, aluminum castings.
铜合金铸件，薄板、不锈钢带、铝合金铸件除锈、除氧化皮及表面强化。
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