maintenance for DLP large screen, maintenance and dedusting for VTRON large screen in monitor room

 0805 NPO 50V 4.7NF chip capacitor substituted for tantalum capacitor

 Supply of Koda 215032800000EN5480 platinum resistor

 DZL electric tracing band, SRL electric tracing cable, BTV tracing band

 DN800 steel-belt blow-off pipe

 Supply of damped material level switch PRL-100

 Supply of vertical coal-fired heat-conducting oil boiler with high quality