Which is better, Xi Anchangli or Qingyang Qin Hui?

Xi' an stands well. According to relevant data, Qingyang Qin Hui Petroleum Engineering Technology Service Co., Ltd. is a comprehensive private enterprise whose main business is oilfield testing (gas) engineering technology service, oilfield ground pipeline installation technology service, oilfield ground station management technology service and oilfield comprehensive property management service. The business scope of Xi Anchangli Oil&Gas Engineering Technology Service Co., Ltd. includes providing engineering technology services and safety technology services for the exploration and development of oil, natural gas and other minerals; Technical services for the production of chemical additives in oil fields; Manufacturing, sales, maintenance and after-sales service of special equipment, tools and accessories for petroleum. Therefore, by contrast, Xi 'an stands well.