Dinglong Quartz Limited bụ ụlọ ọrụ quartz na-emepụta ihe na-arụ ọrụ na Jiangsu China. Dinglong nọ na-eme nchọpụta ma na-emepụta ezigbo quartz ihe kemgbe 1987. Ngwaahịa a gụnyere silica fused, quartz fused, quartz powder, quartz tube na quartz crucible. Dinglong si quartz ihe na ngwaahịa na-n'oge-eji refractory, ngwá electronic, anyanwụ, foundry na ndị ọzọ pụrụ iche ngwa na-ekesa n'ime anụ ụlọ ahịa na esenidụt ahịa.
Uru asọmpi