秉持降低客戶成本
服務客戶信念為最高原則
服務客戶信念為最高原則
We hole the spirits of reducing costomers'costs
and service costomers as the highest principies.
and service costomers as the highest principies.
銅添加劑
- SD-360氫化銅光澤劑
- SD-300硫酸銅光澤劑
- SD-380焦磷酸銅光澤劑
- UL-15青銅染黑劑