NINGBO BOLT MACHINERY EPLRONICS & TECHNOLOGY CO., LTD, bụ onye nrụpụta ọrụ ọkachamara na China nke mepụtara n'ịzụlite ikuku, obere ikuku Compressors, egbe ịgba, ngwa ikuku ikuku na ngwaọrụ ndị ọzọ ikuku…