Yunnan Bright Economic & Trading Co., Ltd. is a comprehensive manufacturer of various glass bottles, such as wine bottles, liquor bottles, pharmaceutical bottles, oil bottles, perfume bottles and a lot of glass jar. All the products are made of new glass material, no air bladder, have smooth surface and strong resistance to shock. Glass bottles manufacturing takes place over several stages. To briefly outline the processes from beginning to end: raw material, melting, forming, annealing, physical inspection, machine & laser inspection, physical inspection (second time), quality...