Leading Chinese fastener equipment dealers!
Harbin Rainbow Technology Co., Ltd.
This fully automatic PLC-controlled hard chrome plating production line is tailor-made for mass processing of fasteners including bolts, nuts, screws and studs. Supporting customizable tank capacities from 500L to 10000L, the unit realizes stable 24/7 non-stop continuous industrial operation to meet high-volume batch production demands.
Constructed with anti-corrosion PP/FRP tank bodies and equipped with high-frequency stable rectifiers, precise constant temperature heating, multi-stage circulating filtration and acid mist waste gas purification systems, the machine delivers uniform, high-adhesion hard chrome plating with adjustable coating thickness between 0.03mm and 0.3mm.
We provide one-stop customized design for equipment layout, automation grade and auxiliary supporting wastewater treatment devices. Professional on-site installation, commissioning and operator training are supplied, with a 12-month full machine warranty and lifelong after-sales technical guidance for global industrial clients.

