With regards to the surface treatment, our crafts include nigrescence, phosphorization, zinc plating, dacromet, nickel plating and copper plating.

表面处理有发黑、磷化、机械镀锌、达克罗、镀镍、镀铜等工艺。

Used AgNO3 Standard solution to measure the content of mercapto heterogeneous ring compound and thioureido derivative in acid coppering gloss agent continuously by potentiometric titration.

以硝准溶液，采用电位滴定法，连续测定性镀铜光充剂中的巯基杂环化合物和硫脲衍生物的含量。

The product has red dumet wire, pale (golden yellow) dumet wire, white dumet wire, no B dumen wire and luminous (is moisture-proof) dumet wire etc.

先进的表面镀铜（或铜）技术使杜美丝表面状态呈均匀的砖红色或黄色等。产品有红杜美丝、淡（金黄）色杜美丝、白杜美丝、无硼杜美丝和光（型）杜美丝等。

Cu-Sn alloy coating with different Sn content can be replacement plating out on iron and steel surface in a solution comprising of copper sulfate, stanous sulfate, complexant and stabilization agent.

铁件在由硫铜、硫亚锡、络合剂、稳定剂等组成的溶液中,可以置换镀覆不同锡质量分数的铜- 锡合金镀层,其工艺可替代氰化物预镀铜,消除氰化物污染,是实现电镀清洁生产措施之一。

With regards to the surface treatment, our crafts include nigrescence, phosphorization, zinc plating, dacromet, nickel plating and copper plating.

表面处理有发黑、磷化、机械锌、达克罗、镍、工艺。

Used AgNO3 Standard solution to measure the content of mercapto heterogeneous ring compound and thioureido derivative in acid coppering gloss agent continuously by potentiometric titration.

以硝酸银标准溶液，采用电位滴定法，连续测定酸性光充剂中的巯基杂环化合物和硫脲衍生物的含量。

The product has red dumet wire, pale (golden yellow) dumet wire, white dumet wire, no B dumen wire and luminous (is moisture-proof) dumet wire etc.

先进的表面（或）技术使杜美丝表面状态呈均匀的砖红色或黄色。产品有红杜美丝、淡（金黄）色杜美丝、白杜美丝、无硼杜美丝和光亮（防潮型）杜美丝。

Cu-Sn alloy coating with different Sn content can be replacement plating out on iron and steel surface in a solution comprising of copper sulfate, stanous sulfate, complexant and stabilization agent.

件在由硫酸、硫酸亚锡、络合剂、稳定剂组成的溶液中,可以置换覆不同锡质量分数的- 锡合金层,其工艺可替代氰化物预,消除氰化物污染,是实现电清洁生产措施之一。

With regards to the surface treatment, our crafts include nigrescence, phosphorization, zinc plating, dacromet, nickel plating and copper plating.

处理有发黑、磷化、机械镀锌、达克罗、镀镍、镀铜等工艺。

Used AgNO3 Standard solution to measure the content of mercapto heterogeneous ring compound and thioureido derivative in acid coppering gloss agent continuously by potentiometric titration.

以硝酸银标准溶液，采用电位滴定法，连续测定酸性镀铜光充剂中的巯基杂环化合物和硫脲衍生物的含。

The product has red dumet wire, pale (golden yellow) dumet wire, white dumet wire, no B dumen wire and luminous (is moisture-proof) dumet wire etc.

的镀铜（或铜）技术使杜美状态呈均匀的砖红色或黄色等。产品有红杜美、淡（金黄）色杜美、白杜美、无硼杜美和光亮（防潮型）杜美等。

Cu-Sn alloy coating with different Sn content can be replacement plating out on iron and steel surface in a solution comprising of copper sulfate, stanous sulfate, complexant and stabilization agent.

铁件在由硫酸铜、硫酸亚锡、络合剂、稳定剂等组成的溶液中,可以置换镀覆不同锡质分数的铜- 锡合金镀层,其工艺可替代氰化物预镀铜,消除氰化物污染,是实现电镀清洁生产措施之一。

With regards to the surface treatment, our crafts include nigrescence, phosphorization, zinc plating, dacromet, nickel plating and copper plating.

表面处理有发黑、磷化、机械镀锌、达克罗、镀镍、镀铜等工艺。

Used AgNO3 Standard solution to measure the content of mercapto heterogeneous ring compound and thioureido derivative in acid coppering gloss agent continuously by potentiometric titration.

以硝银标准溶液，采用电位滴法，连续测镀铜光充剂中的巯基杂环化合物和硫脲衍生物的含量。

The product has red dumet wire, pale (golden yellow) dumet wire, white dumet wire, no B dumen wire and luminous (is moisture-proof) dumet wire etc.

先进的表面镀铜（或铜）技术使美丝表面状态呈均匀的砖红或等。产品有红美丝、淡（金）美丝、白美丝、无硼美丝和光亮（防潮型）美丝等。

Cu-Sn alloy coating with different Sn content can be replacement plating out on iron and steel surface in a solution comprising of copper sulfate, stanous sulfate, complexant and stabilization agent.

铁件在由硫铜、硫亚锡、络合剂、稳剂等组成的溶液中,可以置换镀覆不同锡质量分数的铜- 锡合金镀层,其工艺可替代氰化物预镀铜,消除氰化物污染,是实现电镀清洁生产措施之一。

With regards to the surface treatment, our crafts include nigrescence, phosphorization, zinc plating, dacromet, nickel plating and copper plating.

表面处理有发黑、磷化、机械镀锌、达克罗、镀镍、镀铜等工艺。

Used AgNO3 Standard solution to measure the content of mercapto heterogeneous ring compound and thioureido derivative in acid coppering gloss agent continuously by potentiometric titration.

以硝酸银标准溶液，采用电位滴定法，连续测定酸性镀铜光充剂中巯基杂环化合和硫脲衍生量。

The product has red dumet wire, pale (golden yellow) dumet wire, white dumet wire, no B dumen wire and luminous (is moisture-proof) dumet wire etc.

先进表面镀铜（或铜）技术使杜美丝表面均匀砖红色或黄色等。产品有红杜美丝、淡（金黄）色杜美丝、白杜美丝、无硼杜美丝和光亮（防潮型）杜美丝等。

Cu-Sn alloy coating with different Sn content can be replacement plating out on iron and steel surface in a solution comprising of copper sulfate, stanous sulfate, complexant and stabilization agent.

铁件在由硫酸铜、硫酸亚锡、络合剂、稳定剂等组成溶液中,可以置换镀覆不同锡质量分数铜- 锡合金镀层,其工艺可替代氰化预镀铜,消除氰化污染,是实现电镀清洁生产措施之一。

With regards to the surface treatment, our crafts include nigrescence, phosphorization, zinc plating, dacromet, nickel plating and copper plating.

表面处理有发黑、磷化、机械锌、达克罗、镍、工艺。

Used AgNO3 Standard solution to measure the content of mercapto heterogeneous ring compound and thioureido derivative in acid coppering gloss agent continuously by potentiometric titration.

以硝酸银标准溶液，采用电位滴定法，连续测定酸性光充剂中的巯基杂环化合物和硫脲衍生物的含量。

The product has red dumet wire, pale (golden yellow) dumet wire, white dumet wire, no B dumen wire and luminous (is moisture-proof) dumet wire etc.

先进的表面（或）技术使杜美丝表面状态呈均匀的砖红色或黄色。产品有红杜美丝、淡（金黄）色杜美丝、白杜美丝、无硼杜美丝和光亮（防潮型）杜美丝。

Cu-Sn alloy coating with different Sn content can be replacement plating out on iron and steel surface in a solution comprising of copper sulfate, stanous sulfate, complexant and stabilization agent.

件在由硫酸、硫酸亚锡、络合剂、稳定剂组成的溶液中,可以置换覆不同锡质量分数的- 锡合金层,其工艺可替代氰化物预,消除氰化物污染,是实现电清洁生产措施之一。

With regards to the surface treatment, our crafts include nigrescence, phosphorization, zinc plating, dacromet, nickel plating and copper plating.

表面处理有发黑、磷化、机械锌、达克罗、镍、铜等工艺。

Used AgNO3 Standard solution to measure the content of mercapto heterogeneous ring compound and thioureido derivative in acid coppering gloss agent continuously by potentiometric titration.

以硝银标准溶液，采用电位滴定法，连续测定铜光充剂中的巯基杂环化合物和硫脲衍生物的含量。

The product has red dumet wire, pale (golden yellow) dumet wire, white dumet wire, no B dumen wire and luminous (is moisture-proof) dumet wire etc.

先进的表面铜（或铜）技术使杜美丝表面状态呈均匀的砖红或等。产品有红杜美丝、淡（）杜美丝、白杜美丝、无硼杜美丝和光亮（防潮型）杜美丝等。

Cu-Sn alloy coating with different Sn content can be replacement plating out on iron and steel surface in a solution comprising of copper sulfate, stanous sulfate, complexant and stabilization agent.

铁件在由硫铜、硫亚锡、络合剂、稳定剂等组成的溶液中,可以置换覆不同锡质量分数的铜- 锡合层,其工艺可替代氰化物预铜,消除氰化物污染,是实现电清洁生产措施之一。

With regards to the surface treatment, our crafts include nigrescence, phosphorization, zinc plating, dacromet, nickel plating and copper plating.

表面处理有发黑、磷化、机械锌、达克罗、镍、铜等工艺。

Used AgNO3 Standard solution to measure the content of mercapto heterogeneous ring compound and thioureido derivative in acid coppering gloss agent continuously by potentiometric titration.

以硝酸银标准溶液，采用电位滴定法，连续测定酸性铜光充剂中的巯基杂环化合物和硫脲衍生物的含量。

The product has red dumet wire, pale (golden yellow) dumet wire, white dumet wire, no B dumen wire and luminous (is moisture-proof) dumet wire etc.

先进的表面铜（或铜）技术使杜美丝表面状态呈均匀的砖红色或黄色等。产品有红杜美丝、淡（金黄）色杜美丝、白杜美丝、无硼杜美丝和光亮（防潮型）杜美丝等。

Cu-Sn alloy coating with different Sn content can be replacement plating out on iron and steel surface in a solution comprising of copper sulfate, stanous sulfate, complexant and stabilization agent.

铁件在由硫酸铜、硫酸亚锡、络合剂、稳定剂等组成的溶液中,可以覆不同锡质量分数的铜- 锡合金层,其工艺可替代氰化物预铜,消除氰化物污染,是实现电清洁生产措施之一。

With regards to the surface treatment, our crafts include nigrescence, phosphorization, zinc plating, dacromet, nickel plating and copper plating.

表面处理有发黑、磷化、机械镀锌、达克罗、镀镍、镀铜等工艺。

Used AgNO3 Standard solution to measure the content of mercapto heterogeneous ring compound and thioureido derivative in acid coppering gloss agent continuously by potentiometric titration.

以硝酸银标准溶液，采用电位滴法，连酸性镀铜光充剂中的巯基杂环化合物和硫脲衍生物的含量。

The product has red dumet wire, pale (golden yellow) dumet wire, white dumet wire, no B dumen wire and luminous (is moisture-proof) dumet wire etc.

先进的表面镀铜（或铜）技术使表面状态呈均匀的砖红色或黄色等。产品有红、淡（金黄）色、白、无硼和光亮（防潮型）等。

Cu-Sn alloy coating with different Sn content can be replacement plating out on iron and steel surface in a solution comprising of copper sulfate, stanous sulfate, complexant and stabilization agent.

铁件在由硫酸铜、硫酸亚锡、络合剂、稳剂等组成的溶液中,可以置换镀覆不同锡质量分数的铜- 锡合金镀层,其工艺可替代氰化物预镀铜,消除氰化物污染,是实现电镀清洁生产措施之一。