Shanghai yong hong refrigeration business trade limited company is one specialized is engaged in the central air conditioning repair and maintenance, we have been in the brand carrier, york, trane, McVeigh such as central air-conditioning maintenance spare parts, the main business products include: 1. York host accessories air-conditioning york S oil oil, oil K, L, C, H, F oil oil, computer motherboards, liquid crystal display boards, I/O board, current board, power board, FLASH memory CARDS, batteries, EPROM chip, oil pump frequency conversion board, shaft seals and various host accessories... (unit model including YS, YK, YT, YR, YCWS, AWHC, etc.) 2. Open the host accessories PP23BZ104005 carrier air conditioning refrigeration oil, PP23BZ101005, PP23BZ103005, oil filter, filters, gaskets, water chamber temperature sensor and all kinds of host accessories... (30 HXC, unit types include? 19 xl, 23 xl, 19 dk, 30 hr, 30 hk, 6 e) 3. Trane host accessories OIL15 trane air conditioning refrigeration oil, OIL31, OIL22, OIL48, oil filter, filter and various host accessories... (unit model including the CVHE RTHD RTHB, RTAA, RTXA, RTWC, etc.) 4. Mike, host accessories, pressure sensors, electronic control board, temperature sensors, hand operator, control board, electronic cold expansion, condensate pumps, (model: MAC80/100 cr, motherboard: MCH03A, wire control: SC302A long-term supply's frozen oil and oil filter, main models: WHS, WMD, PFS, water-cooled screw machine, MHS, chillers, MHP WSC, PFH, PEH centrifugal units, WGR, WGZ piston units, such as original factory original package quality.