Qingdao Yuanding Group Co.,Ltd.(QYD) is the largest glass line annealing lehr roller supplier in the world. It has more than 80% Chinese market share and have long term cooperation relationship with most of international glass manufacturing giants and engineering companies.
QYD could supply one-stop service to all kinds of rollers used in glass annealing lehr, from LOR, A zone to F zone. And the rollers including steel roller, fiber roller, metal donut roller, castellated roller, carbon ring roller, composite ring roller etc.
In glass annealing lehr , the steel plain roller generally be used from LOR to C zone. The material they used are 25/20, 18/8, 24/7SiN etc.
Audited Supplier 
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