The Sn plating process features simple formulation, stable bath and convenient operation. The colored films are pitch black and durable.

该镀锡工艺配方简单，镀液稳定，操作简便，着色后的膜层深黑，牢固。

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Other CIGS makers have run into trouble trying translate the high efficiency and low cost promised by small lab samples of CIGS into large sheets of high-quality, durable and uniform thin films.

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