国家/地区 中国（4）
IPC部 C（4）
IPC大类 C23（4） C25（4）
IPC小类 C23C（4）
IPC C23C018/32（4）
发明人 GUO C（4）
公开年 2021（2）
申请年 2021（2） 
专利权人 GUANGZHOU UL.（3）

Dull nickel-plated and graphene-enclosed plating structure for zinc alloy die-casting parts, has zinc-nickel alloy plating layer that is prepared from inside to outside sequentially zinc alloy base portion.

LAI H, CHEN K, GUO C

Protective layer structure for chemical nickel plating of aviation electric appliance accessory, comprises aluminum alloy base body, and chemical zinc depositing layer, pre-plating copper layer, and graphene sealing layer.

XIA L, GUO C, LAI H

Coating structure for aging-resistant zinc-nickel alloy silane-free passivation, comprises aluminum alloy substrate, and chemical deposition zinc layer, chemical nickel plating layer, and silane chromium free passivation layer.

CHEN J, GUO C, LAI H

Heavy-duty anti-corrosive cadmium cobalt alloy and graphene sealing coating comprises e.g. a metal substrate, a cadmium cobalt alloy plating layer, a passivation layer and a graphene sealing layer formed on the passivation layer.

GUO C, LI X, CHEN K, LAI H