is a company specializing in the production of cable trays, metal wire troughs, support systems and a large number of stamping parts. Shanghai Qiongkai Industrial Co. has been making remarkable strides in the prefabricated building materials sector since its inception in 2005. Our headquarters,strategically positioned in the vibrant Songjiang Port Science and Technology City of Shanghai,serves as the nerve center of our. Factory Direct Qinkai Beam Clamp with Threaded Rod for Ceiling Systems - Get the Best Quality at a Competitive Price! Factory Direct Qinkai Beam Clamp with Threaded Rod for Ceiling Systems - Durable and Easy to Install! Protect your cables with Qinkai's electrical conduits - Factory direct for. Qinkai Steel Cable Tray Perforated Cable Tray; price: $6. China, as a global leader in industrial manufacturing, hosts numerous innovative and reliable cable tray producers. These top Chinese cable tray manufacturers. We designs and manufactures cable tray systems, including perforated tray, cable ladder, channel tray and strut (metal framing), Combining local manufacture and distribution with an extensive product range, these facilities ensure we can effectively support customer demand and respond rapidly to.